ICD-10-CM 2027
ICD-10 code for papulosquamous disorder
From the official ICD-10-CM alphabetic index entry “Disorder (of) › papulosquamous”. Page updated September 29, 2026.
About coding papulosquamous disorder
The ICD-10-CM code for papulosquamous disorder is L44.9 (Papulosquamous disorder, unspecified). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on L44.9.
Within L44, choose L44.9 (Papulosquamous disorder, unspecified) only when documentation doesn't support a more specific option: pityriasis rubra pilaris (L44.0), lichen nitidus (L44.1), lichen striatus (L44.2), lichen ruber moniliformis (L44.3), infantile papular acrodermatitis [Gianotti-Crosti] (L44.4) and other specified papulosquamous disorders (L44.8).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 606 (Minor Skin Disorders with MCC, relative weight 1.5728) and DRG 607 (Minor Skin Disorders without MCC, relative weight 0.8772), in MDC 09 (Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific papulosquamous disorder codes (official index)
Common questions about papulosquamous disorder ICD-10 codes
What is the ICD-10 code for papulosquamous disorder?
- L44.9 — Papulosquamous disorder, unspecified. More specific codes apply when the documentation supports them: L45, L44.8.
Is L44.9 billable?
- Yes. L44.9 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can L44.9 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict L44.9 as a principal diagnosis.
Is L44.9 a CC or MCC?
- No. L44.9 is neither a CC nor an MCC under MS-DRG v44.0.