L40-L45

Non-Billable
ChapterL00–L99
Rankblock
Official Description

Papulosquamous disorders (L40-L45)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99).

CH12 Parent Instructions

Excludes2(Not included here)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Clinical Hierarchy

CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L40-L45Papulosquamous disorders (L40-L45)
L40Psoriasis
L41Parapsoriasis
L42Pityriasis rosea
L43Lichen planus
L44Other papulosquamous disorders
L45Papulosquamous disorders in diseases classified elsewhere

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L40-L45:

chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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