ICD↔CPT crosswalk
CPT 11765: ICD-10 codes that support medical necessity
These ICD-10-CM diagnoses support medical necessity for CPT 11765 under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT 11765 with a diagnosis that isn't covered typically denies as CARC 50 — not medically necessary.
National approximation. Coverage varies by MAC and state — confirm against the specific LCD/NCD and article that applies to your jurisdiction and date of service.
| ICD-10 | Description |
|---|---|
| B35.1 | Tinea unguium |
| I96 | Gangrene, not elsewhere classified |
| L03.011 | Cellulitis of right finger |
| L03.012 | Cellulitis of left finger |
| L03.031 | Cellulitis of right toe |
| L03.032 | Cellulitis of left toe |
| L40.0 | Psoriasis vulgaris |
| L40.1 | Generalized pustular psoriasis |
| L40.2 | Acrodermatitis continua |
| L40.3 | Pustulosis palmaris et plantaris |
| L40.4 | Guttate psoriasis |
| L40.8 | Other psoriasis |
| L43.0 | Hypertrophic lichen planus |
| L43.3 | Subacute (active) lichen planus |
| L43.8 | Other lichen planus |
| L60.0 | Ingrowing nail |
| L60.1 | Onycholysis |
| L60.2 | Onychogryphosis |
| L60.3 | Nail dystrophy |
| L60.4 | Beau's lines |
| L60.5 | Yellow nail syndrome |
| L60.8 | Other nail disorders |
| Q84.3 | Anonychia |
| Q84.4 | Congenital leukonychia |
| Q84.5 | Enlarged and hypertrophic nails |
| Q84.6 | Other congenital malformations of nails |
| S60.111A | Contusion of right thumb with damage to nail, initial encounter |
| S60.111D | Contusion of right thumb with damage to nail, subsequent encounter |
| S60.111S | Contusion of right thumb with damage to nail, sequela |
| S60.112A | Contusion of left thumb with damage to nail, initial encounter |
| S60.112D | Contusion of left thumb with damage to nail, subsequent encounter |
| S60.112S | Contusion of left thumb with damage to nail, sequela |
| S60.121A | Contusion of right index finger with damage to nail, initial encounter |
| S60.121D | Contusion of right index finger with damage to nail, subsequent encounter |
| S60.121S | Contusion of right index finger with damage to nail, sequela |
| S60.122A | Contusion of left index finger with damage to nail, initial encounter |
| S60.122D | Contusion of left index finger with damage to nail, subsequent encounter |
| S60.122S | Contusion of left index finger with damage to nail, sequela |
| S60.131A | Contusion of right middle finger with damage to nail, initial encounter |
| S60.131D | Contusion of right middle finger with damage to nail, subsequent encounter |
| S60.131S | Contusion of right middle finger with damage to nail, sequela |
| S60.132A | Contusion of left middle finger with damage to nail, initial encounter |
| S60.132D | Contusion of left middle finger with damage to nail, subsequent encounter |
| S60.132S | Contusion of left middle finger with damage to nail, sequela |
| S60.141A | Contusion of right ring finger with damage to nail, initial encounter |
| S60.141D | Contusion of right ring finger with damage to nail, subsequent encounter |
| S60.141S | Contusion of right ring finger with damage to nail, sequela |
| S60.142A | Contusion of left ring finger with damage to nail, initial encounter |
| S60.142D | Contusion of left ring finger with damage to nail, subsequent encounter |
| S60.142S | Contusion of left ring finger with damage to nail, sequela |
| S60.151A | Contusion of right little finger with damage to nail, initial encounter |
| S60.151D | Contusion of right little finger with damage to nail, subsequent encounter |
| S60.151S | Contusion of right little finger with damage to nail, sequela |
| S60.152A | Contusion of left little finger with damage to nail, initial encounter |
| S60.152D | Contusion of left little finger with damage to nail, subsequent encounter |
| S60.152S | Contusion of left little finger with damage to nail, sequela |
| S61.111A | Laceration without foreign body of right thumb with damage to nail, initial encounter |
| S61.111D | Laceration without foreign body of right thumb with damage to nail, subsequent encounter |
| S61.111S | Laceration without foreign body of right thumb with damage to nail, sequela |
| S61.112A | Laceration without foreign body of left thumb with damage to nail, initial encounter |
| S61.112D | Laceration without foreign body of left thumb with damage to nail, subsequent encounter |
| S61.112S | Laceration without foreign body of left thumb with damage to nail, sequela |
| S61.121A | Laceration with foreign body of right thumb with damage to nail, initial encounter |
| S61.121D | Laceration with foreign body of right thumb with damage to nail, subsequent encounter |
| S61.121S | Laceration with foreign body of right thumb with damage to nail, sequela |
| S61.122A | Laceration with foreign body of left thumb with damage to nail, initial encounter |
| S61.122D | Laceration with foreign body of left thumb with damage to nail, subsequent encounter |
| S61.122S | Laceration with foreign body of left thumb with damage to nail, sequela |
| S61.131A | Puncture wound without foreign body of right thumb with damage to nail, initial encounter |
| S61.131D | Puncture wound without foreign body of right thumb with damage to nail, subsequent encounter |
| S61.131S | Puncture wound without foreign body of right thumb with damage to nail, sequela |
| S61.132A | Puncture wound without foreign body of left thumb with damage to nail, initial encounter |
| S61.132D | Puncture wound without foreign body of left thumb with damage to nail, subsequent encounter |
| S61.132S | Puncture wound without foreign body of left thumb with damage to nail, sequela |
| S61.141A | Puncture wound with foreign body of right thumb with damage to nail, initial encounter |
| S61.141D | Puncture wound with foreign body of right thumb with damage to nail, subsequent encounter |
| S61.141S | Puncture wound with foreign body of right thumb with damage to nail, sequela |
| S61.142A | Puncture wound with foreign body of left thumb with damage to nail, initial encounter |
| S61.142D | Puncture wound with foreign body of left thumb with damage to nail, subsequent encounter |
| S61.142S | Puncture wound with foreign body of left thumb with damage to nail, sequela |
| S61.151A | Open bite of right thumb with damage to nail, initial encounter |
| S61.151D | Open bite of right thumb with damage to nail, subsequent encounter |
| S61.151S | Open bite of right thumb with damage to nail, sequela |
| S61.152A | Open bite of left thumb with damage to nail, initial encounter |
| S61.152D | Open bite of left thumb with damage to nail, subsequent encounter |
| S61.152S | Open bite of left thumb with damage to nail, sequela |
| S61.310A | Laceration without foreign body of right index finger with damage to nail, initial encounter |
| S61.310D | Laceration without foreign body of right index finger with damage to nail, subsequent encounter |
| S61.310S | Laceration without foreign body of right index finger with damage to nail, sequela |
| S61.311A | Laceration without foreign body of left index finger with damage to nail, initial encounter |
| S61.311D | Laceration without foreign body of left index finger with damage to nail, subsequent encounter |
| S61.311S | Laceration without foreign body of left index finger with damage to nail, sequela |
| S61.312A | Laceration without foreign body of right middle finger with damage to nail, initial encounter |
| S61.312D | Laceration without foreign body of right middle finger with damage to nail, subsequent encounter |
| S61.312S | Laceration without foreign body of right middle finger with damage to nail, sequela |
| S61.313A | Laceration without foreign body of left middle finger with damage to nail, initial encounter |
| S61.313D | Laceration without foreign body of left middle finger with damage to nail, subsequent encounter |
| S61.313S | Laceration without foreign body of left middle finger with damage to nail, sequela |
| S61.314A | Laceration without foreign body of right ring finger with damage to nail, initial encounter |
| S61.314D | Laceration without foreign body of right ring finger with damage to nail, subsequent encounter |
| S61.314S | Laceration without foreign body of right ring finger with damage to nail, sequela |
| S61.315A | Laceration without foreign body of left ring finger with damage to nail, initial encounter |
| S61.315D | Laceration without foreign body of left ring finger with damage to nail, subsequent encounter |
| S61.315S | Laceration without foreign body of left ring finger with damage to nail, sequela |
| S61.316A | Laceration without foreign body of right little finger with damage to nail, initial encounter |
| S61.316D | Laceration without foreign body of right little finger with damage to nail, subsequent encounter |
| S61.316S | Laceration without foreign body of right little finger with damage to nail, sequela |
| S61.317A | Laceration without foreign body of left little finger with damage to nail, initial encounter |
| S61.317D | Laceration without foreign body of left little finger with damage to nail, subsequent encounter |
| S61.317S | Laceration without foreign body of left little finger with damage to nail, sequela |
| S61.320A | Laceration with foreign body of right index finger with damage to nail, initial encounter |
| S61.320D | Laceration with foreign body of right index finger with damage to nail, subsequent encounter |
| S61.320S | Laceration with foreign body of right index finger with damage to nail, sequela |
| S61.321A | Laceration with foreign body of left index finger with damage to nail, initial encounter |
| S61.321D | Laceration with foreign body of left index finger with damage to nail, subsequent encounter |
| S61.321S | Laceration with foreign body of left index finger with damage to nail, sequela |
| S61.322A | Laceration with foreign body of right middle finger with damage to nail, initial encounter |
| S61.322D | Laceration with foreign body of right middle finger with damage to nail, subsequent encounter |
| S61.322S | Laceration with foreign body of right middle finger with damage to nail, sequela |
| S61.323A | Laceration with foreign body of left middle finger with damage to nail, initial encounter |
| S61.323D | Laceration with foreign body of left middle finger with damage to nail, subsequent encounter |
| S61.323S | Laceration with foreign body of left middle finger with damage to nail, sequela |
| S61.324A | Laceration with foreign body of right ring finger with damage to nail, initial encounter |
| S61.324D | Laceration with foreign body of right ring finger with damage to nail, subsequent encounter |
| S61.324S | Laceration with foreign body of right ring finger with damage to nail, sequela |
| S61.325A | Laceration with foreign body of left ring finger with damage to nail, initial encounter |
| S61.325D | Laceration with foreign body of left ring finger with damage to nail, subsequent encounter |
| S61.325S | Laceration with foreign body of left ring finger with damage to nail, sequela |
| S61.326A | Laceration with foreign body of right little finger with damage to nail, initial encounter |
| S61.326D | Laceration with foreign body of right little finger with damage to nail, subsequent encounter |
| S61.326S | Laceration with foreign body of right little finger with damage to nail, sequela |
| S61.327A | Laceration with foreign body of left little finger with damage to nail, initial encounter |
| S61.327D | Laceration with foreign body of left little finger with damage to nail, subsequent encounter |
| S61.327S | Laceration with foreign body of left little finger with damage to nail, sequela |
| S61.330A | Puncture wound without foreign body of right index finger with damage to nail, initial encounter |
| S61.330D | Puncture wound without foreign body of right index finger with damage to nail, subsequent encounter |
| S61.330S | Puncture wound without foreign body of right index finger with damage to nail, sequela |
| S61.331A | Puncture wound without foreign body of left index finger with damage to nail, initial encounter |
| S61.331D | Puncture wound without foreign body of left index finger with damage to nail, subsequent encounter |
| S61.331S | Puncture wound without foreign body of left index finger with damage to nail, sequela |
| S61.332A | Puncture wound without foreign body of right middle finger with damage to nail, initial encounter |
| S61.332D | Puncture wound without foreign body of right middle finger with damage to nail, subsequent encounter |
| S61.332S | Puncture wound without foreign body of right middle finger with damage to nail, sequela |
| S61.333A | Puncture wound without foreign body of left middle finger with damage to nail, initial encounter |
| S61.333D | Puncture wound without foreign body of left middle finger with damage to nail, subsequent encounter |
| S61.333S | Puncture wound without foreign body of left middle finger with damage to nail, sequela |
| S61.334A | Puncture wound without foreign body of right ring finger with damage to nail, initial encounter |
| S61.334D | Puncture wound without foreign body of right ring finger with damage to nail, subsequent encounter |
| S61.334S | Puncture wound without foreign body of right ring finger with damage to nail, sequela |
| S61.335A | Puncture wound without foreign body of left ring finger with damage to nail, initial encounter |
| S61.335D | Puncture wound without foreign body of left ring finger with damage to nail, subsequent encounter |
| S61.335S | Puncture wound without foreign body of left ring finger with damage to nail, sequela |
| S61.336A | Puncture wound without foreign body of right little finger with damage to nail, initial encounter |
| S61.336D | Puncture wound without foreign body of right little finger with damage to nail, subsequent encounter |
| S61.336S | Puncture wound without foreign body of right little finger with damage to nail, sequela |
| S61.337A | Puncture wound without foreign body of left little finger with damage to nail, initial encounter |
| S61.337D | Puncture wound without foreign body of left little finger with damage to nail, subsequent encounter |
| S61.337S | Puncture wound without foreign body of left little finger with damage to nail, sequela |
| S61.340A | Puncture wound with foreign body of right index finger with damage to nail, initial encounter |
| S61.340D | Puncture wound with foreign body of right index finger with damage to nail, subsequent encounter |
| S61.340S | Puncture wound with foreign body of right index finger with damage to nail, sequela |
| S61.341A | Puncture wound with foreign body of left index finger with damage to nail, initial encounter |
| S61.341D | Puncture wound with foreign body of left index finger with damage to nail, subsequent encounter |
| S61.341S | Puncture wound with foreign body of left index finger with damage to nail, sequela |
| S61.342A | Puncture wound with foreign body of right middle finger with damage to nail, initial encounter |
| S61.342D | Puncture wound with foreign body of right middle finger with damage to nail, subsequent encounter |
| S61.342S | Puncture wound with foreign body of right middle finger with damage to nail, sequela |
| S61.343A | Puncture wound with foreign body of left middle finger with damage to nail, initial encounter |
| S61.343D | Puncture wound with foreign body of left middle finger with damage to nail, subsequent encounter |
| S61.343S | Puncture wound with foreign body of left middle finger with damage to nail, sequela |
| S61.344A | Puncture wound with foreign body of right ring finger with damage to nail, initial encounter |
| S61.344D | Puncture wound with foreign body of right ring finger with damage to nail, subsequent encounter |
| S61.344S | Puncture wound with foreign body of right ring finger with damage to nail, sequela |
| S61.345A | Puncture wound with foreign body of left ring finger with damage to nail, initial encounter |
| S61.345D | Puncture wound with foreign body of left ring finger with damage to nail, subsequent encounter |
| S61.345S | Puncture wound with foreign body of left ring finger with damage to nail, sequela |
| S61.346A | Puncture wound with foreign body of right little finger with damage to nail, initial encounter |
| S61.346D | Puncture wound with foreign body of right little finger with damage to nail, subsequent encounter |
| S61.346S | Puncture wound with foreign body of right little finger with damage to nail, sequela |
| S61.347A | Puncture wound with foreign body of left little finger with damage to nail, initial encounter |
| S61.347D | Puncture wound with foreign body of left little finger with damage to nail, subsequent encounter |
| S61.347S | Puncture wound with foreign body of left little finger with damage to nail, sequela |
| S61.350A | Open bite of right index finger with damage to nail, initial encounter |
| S61.350D | Open bite of right index finger with damage to nail, subsequent encounter |
| S61.350S | Open bite of right index finger with damage to nail, sequela |
| S61.351A | Open bite of left index finger with damage to nail, initial encounter |
| S61.351D | Open bite of left index finger with damage to nail, subsequent encounter |
| S61.351S | Open bite of left index finger with damage to nail, sequela |
| S61.352A | Open bite of right middle finger with damage to nail, initial encounter |
| S61.352D | Open bite of right middle finger with damage to nail, subsequent encounter |
| S61.352S | Open bite of right middle finger with damage to nail, sequela |
| S61.353A | Open bite of left middle finger with damage to nail, initial encounter |
| S61.353D | Open bite of left middle finger with damage to nail, subsequent encounter |
| S61.353S | Open bite of left middle finger with damage to nail, sequela |
| S61.354A | Open bite of right ring finger with damage to nail, initial encounter |
| S61.354D | Open bite of right ring finger with damage to nail, subsequent encounter |
| S61.354S | Open bite of right ring finger with damage to nail, sequela |
| S61.355A | Open bite of left ring finger with damage to nail, initial encounter |
| S61.355D | Open bite of left ring finger with damage to nail, subsequent encounter |
| S61.355S | Open bite of left ring finger with damage to nail, sequela |
| S61.356A | Open bite of right little finger with damage to nail, initial encounter |
| S61.356D | Open bite of right little finger with damage to nail, subsequent encounter |
| S61.356S | Open bite of right little finger with damage to nail, sequela |
| S61.357A | Open bite of left little finger with damage to nail, initial encounter |
| S61.357D | Open bite of left little finger with damage to nail, subsequent encounter |
| S61.357S | Open bite of left little finger with damage to nail, sequela |
| S67.01XA | Crushing injury of right thumb, initial encounter |
| S67.01XD | Crushing injury of right thumb, subsequent encounter |
| S67.01XS | Crushing injury of right thumb, sequela |
| S67.02XA | Crushing injury of left thumb, initial encounter |
| S67.02XD | Crushing injury of left thumb, subsequent encounter |
| S67.02XS | Crushing injury of left thumb, sequela |
| S67.190A | Crushing injury of right index finger, initial encounter |
| S67.190D | Crushing injury of right index finger, subsequent encounter |
| S67.190S | Crushing injury of right index finger, sequela |
| S67.191A | Crushing injury of left index finger, initial encounter |
| S67.191D | Crushing injury of left index finger, subsequent encounter |
| S67.191S | Crushing injury of left index finger, sequela |
| S67.192A | Crushing injury of right middle finger, initial encounter |
| S67.192D | Crushing injury of right middle finger, subsequent encounter |
| S67.192S | Crushing injury of right middle finger, sequela |
| S67.193A | Crushing injury of left middle finger, initial encounter |
| S67.193D | Crushing injury of left middle finger, subsequent encounter |
| S67.193S | Crushing injury of left middle finger, sequela |
| S67.194A | Crushing injury of right ring finger, initial encounter |
| S67.194D | Crushing injury of right ring finger, subsequent encounter |
| S67.194S | Crushing injury of right ring finger, sequela |
| S67.195A | Crushing injury of left ring finger, initial encounter |
| S67.195D | Crushing injury of left ring finger, subsequent encounter |
| S67.195S | Crushing injury of left ring finger, sequela |
| S67.196A | Crushing injury of right little finger, initial encounter |
| S67.196D | Crushing injury of right little finger, subsequent encounter |
| S67.196S | Crushing injury of right little finger, sequela |
| S67.197A | Crushing injury of left little finger, initial encounter |
| S67.197D | Crushing injury of left little finger, subsequent encounter |
| S67.197S | Crushing injury of left little finger, sequela |
| S90.211A | Contusion of right great toe with damage to nail, initial encounter |
| S90.211D | Contusion of right great toe with damage to nail, subsequent encounter |
| S90.211S | Contusion of right great toe with damage to nail, sequela |
| S90.212A | Contusion of left great toe with damage to nail, initial encounter |
| S90.212D | Contusion of left great toe with damage to nail, subsequent encounter |
| S90.212S | Contusion of left great toe with damage to nail, sequela |
| S90.221A | Contusion of right lesser toe(s) with damage to nail, initial encounter |
| S90.221D | Contusion of right lesser toe(s) with damage to nail, subsequent encounter |
| S90.221S | Contusion of right lesser toe(s) with damage to nail, sequela |
| S90.222A | Contusion of left lesser toe(s) with damage to nail, initial encounter |
| S90.222D | Contusion of left lesser toe(s) with damage to nail, subsequent encounter |
| S90.222S | Contusion of left lesser toe(s) with damage to nail, sequela |
| S91.211A | Laceration without foreign body of right great toe with damage to nail, initial encounter |
| S91.211D | Laceration without foreign body of right great toe with damage to nail, subsequent encounter |
| S91.211S | Laceration without foreign body of right great toe with damage to nail, sequela |
| S91.212A | Laceration without foreign body of left great toe with damage to nail, initial encounter |
| S91.212D | Laceration without foreign body of left great toe with damage to nail, subsequent encounter |
| S91.212S | Laceration without foreign body of left great toe with damage to nail, sequela |
| S91.214A | Laceration without foreign body of right lesser toe(s) with damage to nail, initial encounter |
| S91.214D | Laceration without foreign body of right lesser toe(s) with damage to nail, subsequent encounter |
| S91.214S | Laceration without foreign body of right lesser toe(s) with damage to nail, sequela |
| S91.215A | Laceration without foreign body of left lesser toe(s) with damage to nail, initial encounter |
| S91.215D | Laceration without foreign body of left lesser toe(s) with damage to nail, subsequent encounter |
| S91.215S | Laceration without foreign body of left lesser toe(s) with damage to nail, sequela |
| S91.221A | Laceration with foreign body of right great toe with damage to nail, initial encounter |
| S91.221D | Laceration with foreign body of right great toe with damage to nail, subsequent encounter |
| S91.221S | Laceration with foreign body of right great toe with damage to nail, sequela |
| S91.222A | Laceration with foreign body of left great toe with damage to nail, initial encounter |
| S91.222D | Laceration with foreign body of left great toe with damage to nail, subsequent encounter |
| S91.222S | Laceration with foreign body of left great toe with damage to nail, sequela |
| S91.224A | Laceration with foreign body of right lesser toe(s) with damage to nail, initial encounter |
| S91.224D | Laceration with foreign body of right lesser toe(s) with damage to nail, subsequent encounter |
| S91.224S | Laceration with foreign body of right lesser toe(s) with damage to nail, sequela |
| S91.225A | Laceration with foreign body of left lesser toe(s) with damage to nail, initial encounter |
| S91.225D | Laceration with foreign body of left lesser toe(s) with damage to nail, subsequent encounter |
| S91.225S | Laceration with foreign body of left lesser toe(s) with damage to nail, sequela |
| S91.231A | Puncture wound without foreign body of right great toe with damage to nail, initial encounter |
| S91.231D | Puncture wound without foreign body of right great toe with damage to nail, subsequent encounter |
| S91.231S | Puncture wound without foreign body of right great toe with damage to nail, sequela |
| S91.232A | Puncture wound without foreign body of left great toe with damage to nail, initial encounter |
| S91.232D | Puncture wound without foreign body of left great toe with damage to nail, subsequent encounter |
| S91.232S | Puncture wound without foreign body of left great toe with damage to nail, sequela |
| S91.234A | Puncture wound without foreign body of right lesser toe(s) with damage to nail, initial encounter |
| S91.234D | Puncture wound without foreign body of right lesser toe(s) with damage to nail, subsequent encounter |
| S91.234S | Puncture wound without foreign body of right lesser toe(s) with damage to nail, sequela |
| S91.235A | Puncture wound without foreign body of left lesser toe(s) with damage to nail, initial encounter |
| S91.235D | Puncture wound without foreign body of left lesser toe(s) with damage to nail, subsequent encounter |
| S91.235S | Puncture wound without foreign body of left lesser toe(s) with damage to nail, sequela |
| S91.241A | Puncture wound with foreign body of right great toe with damage to nail, initial encounter |
| S91.241D | Puncture wound with foreign body of right great toe with damage to nail, subsequent encounter |
| S91.241S | Puncture wound with foreign body of right great toe with damage to nail, sequela |
| S91.242A | Puncture wound with foreign body of left great toe with damage to nail, initial encounter |
| S91.242D | Puncture wound with foreign body of left great toe with damage to nail, subsequent encounter |
| S91.242S | Puncture wound with foreign body of left great toe with damage to nail, sequela |
| S91.244A | Puncture wound with foreign body of right lesser toe(s) with damage to nail, initial encounter |
| S91.244D | Puncture wound with foreign body of right lesser toe(s) with damage to nail, subsequent encounter |
| S91.244S | Puncture wound with foreign body of right lesser toe(s) with damage to nail, sequela |
| S91.245A | Puncture wound with foreign body of left lesser toe(s) with damage to nail, initial encounter |
| S91.245D | Puncture wound with foreign body of left lesser toe(s) with damage to nail, subsequent encounter |
| S91.245S | Puncture wound with foreign body of left lesser toe(s) with damage to nail, sequela |
| S91.251A | Open bite of right great toe with damage to nail, initial encounter |
| S91.251D | Open bite of right great toe with damage to nail, subsequent encounter |
| S91.251S | Open bite of right great toe with damage to nail, sequela |
| S91.252A | Open bite of left great toe with damage to nail, initial encounter |
| S91.252D | Open bite of left great toe with damage to nail, subsequent encounter |
| S91.252S | Open bite of left great toe with damage to nail, sequela |
| S91.254A | Open bite of right lesser toe(s) with damage to nail, initial encounter |
| S91.254D | Open bite of right lesser toe(s) with damage to nail, subsequent encounter |
| S91.254S | Open bite of right lesser toe(s) with damage to nail, sequela |
| S91.255A | Open bite of left lesser toe(s) with damage to nail, initial encounter |
| S91.255D | Open bite of left lesser toe(s) with damage to nail, subsequent encounter |
| S91.255S | Open bite of left lesser toe(s) with damage to nail, sequela |
| S97.111A | Crushing injury of right great toe, initial encounter |
| S97.111D | Crushing injury of right great toe, subsequent encounter |
| S97.111S | Crushing injury of right great toe, sequela |
| S97.112A | Crushing injury of left great toe, initial encounter |
| S97.112D | Crushing injury of left great toe, subsequent encounter |
| S97.112S | Crushing injury of left great toe, sequela |
| S97.121A | Crushing injury of right lesser toe(s), initial encounter |
| S97.121D | Crushing injury of right lesser toe(s), subsequent encounter |
| S97.121S | Crushing injury of right lesser toe(s), sequela |
| S97.122A | Crushing injury of left lesser toe(s), initial encounter |
| S97.122D | Crushing injury of left lesser toe(s), subsequent encounter |
| S97.122S | Crushing injury of left lesser toe(s), sequela |
| T23.311A | Burn of third degree of right thumb (nail), initial encounter |
| T23.311D | Burn of third degree of right thumb (nail), subsequent encounter |
| T23.311S | Burn of third degree of right thumb (nail), sequela |
| T23.312A | Burn of third degree of left thumb (nail), initial encounter |
| T23.312D | Burn of third degree of left thumb (nail), subsequent encounter |
| T23.312S | Burn of third degree of left thumb (nail), sequela |
| T23.321A | Burn of third degree of single right finger (nail) except thumb, initial encounter |
| T23.321D | Burn of third degree of single right finger (nail) except thumb, subsequent encounter |
| T23.321S | Burn of third degree of single right finger (nail) except thumb, sequela |
| T23.322A | Burn of third degree of single left finger (nail) except thumb, initial encounter |
| T23.322D | Burn of third degree of single left finger (nail) except thumb, subsequent encounter |
| T23.322S | Burn of third degree of single left finger (nail) except thumb, sequela |
| T23.331A | Burn of third degree of multiple right fingers (nail), not including thumb, initial encounter |
| T23.331D | Burn of third degree of multiple right fingers (nail), not including thumb, subsequent encounter |
| T23.331S | Burn of third degree of multiple right fingers (nail), not including thumb, sequela |
| T23.332A | Burn of third degree of multiple left fingers (nail), not including thumb, initial encounter |
| T23.332D | Burn of third degree of multiple left fingers (nail), not including thumb, subsequent encounter |
| T23.332S | Burn of third degree of multiple left fingers (nail), not including thumb, sequela |
| T23.341A | Burn of third degree of multiple right fingers (nail), including thumb, initial encounter |
| T23.341D | Burn of third degree of multiple right fingers (nail), including thumb, subsequent encounter |
| T23.341S | Burn of third degree of multiple right fingers (nail), including thumb, sequela |
| T23.342A | Burn of third degree of multiple left fingers (nail), including thumb, initial encounter |
| T23.342D | Burn of third degree of multiple left fingers (nail), including thumb, subsequent encounter |
| T23.342S | Burn of third degree of multiple left fingers (nail), including thumb, sequela |
| T23.711A | Corrosion of third degree of right thumb (nail), initial encounter |
| T23.711D | Corrosion of third degree of right thumb (nail), subsequent encounter |
| T23.711S | Corrosion of third degree of right thumb (nail), sequela |
| T23.712A | Corrosion of third degree of left thumb (nail), initial encounter |
| T23.712D | Corrosion of third degree of left thumb (nail), subsequent encounter |
| T23.712S | Corrosion of third degree of left thumb (nail), sequela |
| T23.721A | Corrosion of third degree of single right finger (nail) except thumb, initial encounter |
| T23.721D | Corrosion of third degree of single right finger (nail) except thumb, subsequent encounter |
| T23.721S | Corrosion of third degree of single right finger (nail) except thumb, sequela |
| T23.722A | Corrosion of third degree of single left finger (nail) except thumb, initial encounter |
| T23.722D | Corrosion of third degree of single left finger (nail) except thumb, subsequent encounter |
| T23.722S | Corrosion of third degree of single left finger (nail) except thumb, sequela |
| T23.731A | Corrosion of third degree of multiple right fingers (nail), not including thumb, initial encounter |
| T23.731D | Corrosion of third degree of multiple right fingers (nail), not including thumb, subsequent encounter |
| T23.731S | Corrosion of third degree of multiple right fingers (nail), not including thumb, sequela |
| T23.732A | Corrosion of third degree of multiple left fingers (nail), not including thumb, initial encounter |
| T23.732D | Corrosion of third degree of multiple left fingers (nail), not including thumb, subsequent encounter |
| T23.732S | Corrosion of third degree of multiple left fingers (nail), not including thumb, sequela |
| T23.741A | Corrosion of third degree of multiple right fingers (nail), including thumb, initial encounter |
| T23.741D | Corrosion of third degree of multiple right fingers (nail), including thumb, subsequent encounter |
| T23.741S | Corrosion of third degree of multiple right fingers (nail), including thumb, sequela |
| T23.742A | Corrosion of third degree of multiple left fingers (nail), including thumb, initial encounter |
| T23.742D | Corrosion of third degree of multiple left fingers (nail), including thumb, subsequent encounter |
| T23.742S | Corrosion of third degree of multiple left fingers (nail), including thumb, sequela |
| T25.331A | Burn of third degree of right toe(s) (nail), initial encounter |
| T25.331D | Burn of third degree of right toe(s) (nail), subsequent encounter |
| T25.331S | Burn of third degree of right toe(s) (nail), sequela |
| T25.332A | Burn of third degree of left toe(s) (nail), initial encounter |
| T25.332D | Burn of third degree of left toe(s) (nail), subsequent encounter |
| T25.332S | Burn of third degree of left toe(s) (nail), sequela |
| T25.731A | Corrosion of third degree of right toe(s) (nail), initial encounter |
| T25.731D | Corrosion of third degree of right toe(s) (nail), subsequent encounter |
| T25.731S | Corrosion of third degree of right toe(s) (nail), sequela |
| T25.732A | Corrosion of third degree of left toe(s) (nail), initial encounter |
| T25.732D | Corrosion of third degree of left toe(s) (nail), subsequent encounter |
| T25.732S | Corrosion of third degree of left toe(s) (nail), sequela |
| T33.531A | Superficial frostbite of right finger(s), initial encounter |
| T33.531D | Superficial frostbite of right finger(s), subsequent encounter |
| T33.531S | Superficial frostbite of right finger(s), sequela |
| T33.532A | Superficial frostbite of left finger(s), initial encounter |
| T33.532D | Superficial frostbite of left finger(s), subsequent encounter |
| T33.532S | Superficial frostbite of left finger(s), sequela |
| T33.831A | Superficial frostbite of right toe(s), initial encounter |
| T33.831D | Superficial frostbite of right toe(s), subsequent encounter |
| T33.831S | Superficial frostbite of right toe(s), sequela |
| T33.832A | Superficial frostbite of left toe(s), initial encounter |
| T33.832D | Superficial frostbite of left toe(s), subsequent encounter |
| T33.832S | Superficial frostbite of left toe(s), sequela |
Frequently asked questions
Which ICD-10 codes support medical necessity for CPT 11765?
Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 392 ICD-10 diagnosis codes that support medical necessity for CPT 11765. The covered codes are listed on this page. Coverage varies by MAC/state — always confirm against the policy that applies to you.
What is a medical-necessity (LCD/NCD) crosswalk?
A claim whose procedure isn't supported by a covered diagnosis denies as "not medically necessary" (CARC 50). CMS coverage policies define which diagnoses justify a procedure; this page is the ICD-10 → CPT 11765 view of that relationship.
Catch medical-necessity denials before you bill. CareNiva scrubs claims against LCD/NCD coverage and flags unsupported diagnoses — in the same platform you run visits and billing.
More free billing tools: all crosswalks · NCCI edits · Medicare fees · denial codes
Informational only, not coding, billing, or legal advice. Based on CMS Medicare Coverage Database data; verify the current LCD/NCD for your MAC before billing.
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