L49-L54

Non-Billable
ChapterL00–L99
Rankblock
Official Description

Urticaria and erythema (L49-L54)

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.-)

Instructional Notes

Excludes1(Not coded here)

Clinical Hierarchy

CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L49-L54Urticaria and erythema (L49-L54)
L49Exfoliation due to erythematous conditions according to extent of body surface involved
L50Urticaria
L51Erythema multiforme
L52Erythema nodosum
L53Other erythematous conditions
L54Erythema in diseases classified elsewhere

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L49-L54:

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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