ICD-10 Code for Parapsoriasis
The ICD-10-CM code for parapsoriasis is L41.9 — Parapsoriasis, unspecified. This is the code the Alphabetic Index gives for parapsoriasis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
L41.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which parapsoriasis code should you use?
The Alphabetic Index lists 7 codes under Parapsoriasis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| en plaques | L41.4 | Large plaque parapsoriasis | |
| guttata | L41.1 | Pityriasis lichenoides chronica | |
| large plaque | L41.4 | Large plaque parapsoriasis | |
| retiform, retiformis | L41.5 | Retiform parapsoriasis | |
| small plaque | L41.3 | Small plaque parapsoriasis | |
| specified NEC | L41.8 | Other parapsoriasis | |
| varioliformis | L41.0 | Pityriasis lichenoides et varioliformis acuta |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources