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ICD↔CPT crosswalk

CPT J3425: ICD-10 codes that support medical necessity

44 covered diagnosis codes under Medicare coverage policies (LCD/NCD)

These ICD-10-CM diagnoses support medical necessity for CPT J3425 under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT J3425 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-10Description
D51.0Vitamin B12 deficiency anemia due to intrinsic factor deficiency
D51.1Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
D51.2Transcobalamin II deficiency
D51.3Other dietary vitamin B12 deficiency anemia
D51.8Other vitamin B12 deficiency anemias
D51.9Vitamin B12 deficiency anemia, unspecified
D52.0Dietary folate deficiency anemia
D52.1Drug-induced folate deficiency anemia
D52.8Other folate deficiency anemias
D52.9Folate deficiency anemia, unspecified
D53.1Other megaloblastic anemias, not elsewhere classified
D53.9Nutritional anemia, unspecified
D81.818Other biotin-dependent carboxylase deficiency
D81.819Biotin-dependent carboxylase deficiency, unspecified
E40Kwashiorkor
E41Nutritional marasmus
E42Marasmic kwashiorkor
E44.1Mild protein-calorie malnutrition
E45Retarded development following protein-calorie malnutrition
E46Unspecified protein-calorie malnutrition
E53.8Deficiency of other specified B group vitamins
E64.0Sequelae of protein-calorie malnutrition
G32.0Subacute combined degeneration of spinal cord in diseases classified elsewhere
K29.30Chronic superficial gastritis without bleeding
K29.40Chronic atrophic gastritis without bleeding
K29.50Unspecified chronic gastritis without bleeding
K86.0Alcohol-induced chronic pancreatitis
K86.1Other chronic pancreatitis
K90.0Celiac disease
K90.1Tropical sprue
K90.2Blind loop syndrome, not elsewhere classified
K90.3Pancreatic steatorrhea
K90.41Non-celiac gluten sensitivity
K90.49Malabsorption due to intolerance, not elsewhere classified
K90.821Short bowel syndrome with colon in continuity
K90.822Short bowel syndrome without colon in continuity
K90.83Intestinal failure
K90.89Other intestinal malabsorption
K90.9Intestinal malabsorption, unspecified
K91.1Postgastric surgery syndromes
K91.2Postsurgical malabsorption, not elsewhere classified
T50.995AAdverse effect of other drugs, medicaments and biological substances, initial encounter
T50.995DAdverse effect of other drugs, medicaments and biological substances, subsequent encounter
T50.995SAdverse effect of other drugs, medicaments and biological substances, sequela

Frequently asked questions

Which ICD-10 codes support medical necessity for CPT J3425?

Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 44 ICD-10 diagnosis codes that support medical necessity for CPT J3425. 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 J3425 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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