CPT J2357: ICD-10 codes that support medical necessity
These ICD-10-CM diagnoses support medical necessity for CPT J2357 under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT J2357 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 |
|---|---|
| J33.0 | Polyp of nasal cavity |
| J45.40 | Moderate persistent asthma, uncomplicated |
| J45.41 | Moderate persistent asthma with (acute) exacerbation |
| J45.42 | Moderate persistent asthma with status asthmaticus |
| J45.50 | Severe persistent asthma, uncomplicated |
| J45.51 | Severe persistent asthma with (acute) exacerbation |
| J45.52 | Severe persistent asthma with status asthmaticus |
| L50.1 | Idiopathic urticaria |
| L50.6 | Contact urticaria |
| L50.8 | Other urticaria |
| L50.9 | Urticaria, unspecified |
| T78.40XA | Allergy, unspecified, initial encounter |
| T78.40XD | Allergy, unspecified, subsequent encounter |
| T78.40XS | Allergy, unspecified, sequela |
| Z91.010 | Allergy to peanuts |
| Z91.013 | Allergy to seafood |
| Z91.040 | Latex allergy status |
Frequently asked questions
Which ICD-10 codes support medical necessity for CPT J2357?
Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 17 ICD-10 diagnosis codes that support medical necessity for CPT J2357. 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 J2357 view of that relationship.
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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