L13.1 ICD-10-CA code: Subcorneal pustular dermatitis
L13.1 is the ICD-10-CA code for “Subcorneal pustular dermatitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
L13.1Subcorneal pustular dermatitis
ICD-10-CA · Canada · Also written L131
Index terms
Entries in CIHI’s alphabetical index that lead to L13.1. Searching the index by the condition the note names is how coders reach this code.
- Dermatitis, pustular, subcorneal
- Dermatosis, pustular, subcorneal
- Sneddon Wilkinson disease or syndrome
- Wilkinson Sneddon disease or syndrome
Notes for L13.1
As CIHI prints them, with any note L13.1 takes from the headings above it.
Includes
- Sneddon-Wilkinson disease
Excludes
Conditions classified elsewhere.
- Benign familial pemphigus [Hailey-Hailey] (Q82.8)staphylococcal scalded skin syndrome (L00)toxic epidermal necrolysis [Lyell] (L51.2)From L10-L14 Bullous disorders
- 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 L13.1 sits
- 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
- 2Block L10-L14Bullous disorders
- 3Category L13Other bullous disorders
- 4Valid code L13.1Subcorneal pustular dermatitis
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
What does ICD-10-CA code L13.1 mean?
L13.1 is the ICD-10-CA code for “Subcorneal pustular dermatitis” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is L13.1 in ICD-10-CA?
L13.1 sits under L13 Other bullous disorders, within L10-L14 Bullous disorders, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).
What coding notes apply to L13.1?
ICD-10-CA lists Includes, Excludes notes for L13.1, 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.