L50

Non-Billable
ChapterL00–L99
Rankcategory
Description

Urticaria

About ICD-10-CM code L50

Under L00-L99 Diseases of the Skin and Subcutaneous Tissue, within Urticaria and erythema (L49-L54), ICD-10-CM code L50 describes Urticaria. This code cannot be billed directly because more specific child codes exist beneath it.

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.-)

L49-L54 Parent Instructions

Excludes1(Not coded here. Use a different code.)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • allergic contact dermatitis (L23.-)
  • angioneurotic edema (T78.3)
  • giant urticaria (T78.3)
  • hereditary angio-edema (D84.1)
  • Quincke's edema (T78.3)
  • serum urticaria (T80.6-)
  • solar urticaria (L56.3)
  • urticaria neonatorum (P83.8)
  • urticaria papulosa (L28.2)
  • urticaria pigmentosa (D47.01)

Clinical Hierarchy

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L49-L54Urticaria and erythema (L49-L54)
L50UrticariaNot billable
L50.0Allergic urticariaBillable
L50.1Idiopathic urticariaBillable
L50.2Urticaria due to cold and heatBillable
L50.3Dermatographic urticariaBillable
L50.4Vibratory urticariaBillable
L50.5Cholinergic urticariaBillable
L50.6Contact urticariaBillable
L50.8Other urticariaBillable
L50.9Urticaria, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L50:

blockL49-L54
Urticaria and erythema (L49-L54)
View context instructions
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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