All ICD10 Codes

L40

Non-Billable
ChapterL00–L99
Rankcategory
Official Description

Psoriasis

Use a more specific code (7 billable, 1 non-billable)
L40.0Psoriasis vulgarisL40.1Generalized pustular psoriasisL40.2Acrodermatitis continuaL40.3Pustulosis palmaris et plantarisL40.4Guttate psoriasisL40.5Arthropathic psoriasishas subcodesL40.8Other psoriasisL40.9Psoriasis, unspecified
Metadata & Insights
  • •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. Code separately if applicable.)
  • 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

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L40-L45Papulosquamous disorders (L40-L45)
L40PsoriasisNot billable
L40.0Psoriasis vulgarisBillable
L40.1Generalized pustular psoriasisBillable
L40.2Acrodermatitis continuaBillable
L40.3Pustulosis palmaris et plantarisBillable
L40.4Guttate psoriasisBillable
L40.5Arthropathic psoriasisSubcodes
L40.8Other psoriasisBillable
L40.9Psoriasis, unspecifiedBillable

Applicable Ancestor Context

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

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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