L40.3 — Pustulosis palmaris et plantaris
L40.3 is a billable, specific ICD-10-CM code for pustulosis palmaris et plantaris. It is valid for submission on a claim.
Risk adjustment
L40.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
L40.3 is named in 11 Medicare coverage policies — 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
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How L40.3 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to L40.3.
- Bacterid, bacteride(pustular)
- Pustulosis palmaris et plantaris
- Psoriasis›pustular›palmaris et plantaris
Related codes at this level
Codes that share L40. If L40.3 is not quite right, the correct code is usually one of these.
Questions about L40.3
- Is L40.3 a billable ICD-10-CM code?
- Yes. L40.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does L40.3 sit in the tabular list?
- Diseases of the skin and subcutaneous tissue (L00-L99), in the block Papulosquamous disorders (L40-L45).