L50 ICD-10-CA category: Urticaria
L50 isn’t a code on its own. Choose one of the 9 codes beneath it, the one the documentation supports.
Official description
L50Urticaria
ICD-10-CA · Canada
Codes in L50
L50 isn’t a code on its own. Open the code that matches what the note documents.
Notes for L50
As CIHI prints them, with any note L50 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Allergic contact dermatitis (L23.-)angioneurotic oedema (T78.3)hereditary angio-oedema (E84.1)Quincke's oedema (T78.3)urticaria:• giant (T78.3)• neonatorum (P83.8)• papulosa (L28.2)• pigmentosa (Q82.2)• serum (T80.6)• solar (L56.3)
- Lyme disease (A69.2)rosacea (L71.-)From L50-L54 Urticaria and erythema
- 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 sits
- 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
- 2Block L50-L54Urticaria and erythema
- 3Category L50Urticaria
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 a valid ICD-10-CA code?
No. L50 (Urticaria) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 9 codes; record the one the documentation supports.
Where is L50 in ICD-10-CA?
L50 sits under L50-L54 Urticaria and erythema, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).
What coding notes apply to L50?
ICD-10-CA lists Excludes notes for L50, 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.