L50-L54 ICD-10-CA block: Urticaria and erythema

L50-L54 isn’t a code on its own. Choose one of the 23 codes beneath it, the one the documentation supports.

Official description

L50-L54

Urticaria and erythema (L50-L54)

ICD-10-CA · Canada

Codes in L50-L54

L50-L54 isn’t a code on its own. Open the group that matches what the note documents.

Notes for L50-L54

As CIHI prints them, with any note L50-L54 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Lyme disease (A69.2)rosacea (L71.-)
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)lipomelanotic reticulosis (I89.8)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)From Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)

Where L50-L54 sits

  1. 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
  2. 2Block L50-L54Urticaria and erythema

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

Is L50-L54 a valid ICD-10-CA code?

No. L50-L54 (Urticaria and erythema) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 23 codes; record the one the documentation supports.

Where is L50-L54 in ICD-10-CA?

L50-L54 sits under Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).

What coding notes apply to L50-L54?

ICD-10-CA lists Excludes notes for L50-L54, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.