L21.0 ICD-10-CA code: Seborrhoea capitis
L21.0 is the ICD-10-CA code for “Seborrhoea capitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
L21.0Seborrhoea capitis
ICD-10-CA · Canada · Also written L210
Index terms
Entries in CIHI’s alphabetical index that lead to L21.0. Searching the index by the condition the note names is how coders reach this code.
- Furfur
- Dandruff
- Cradle cap
- Milk, crust
- Crusta lactea
- Pityriasis (capitis)
- Seborrhea, seborrheic, sicca
- Dermatitis, seborrheic, scalp
- Seborrhea, seborrheic, capitis
- Pityriasis (capitis), furfuracea
Notes for L21.0
As CIHI prints them, with any note L21.0 takes from the headings above it.
Includes
- Cradle capSeborrheic dermatitis (scalp)
Excludes
Conditions classified elsewhere.
- Infective dermatitis (L30.3)From L21 Seborrhoeic dermatitis
- Chronic (childhood) granulomatous disease (D71)dermatitis:• dry skin (L85.3)• factitial (L98.1)• gangrenosa (L08.0)• herpetiformis (L13.0)• perioral (L71.0)• stasis (I83.1-I83.2)radiation-related disorders of the skin and subcutaneous tissue (L55-L59)From L20-L30 Dermatitis and eczema
- 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)
Note
- In this block the terms dermatitis and eczema are used synonymously and interchangeably.From L20-L30 Dermatitis and eczema
Where L21.0 sits
- 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
- 2Block L20-L30Dermatitis and eczema
- 3Category L21Seborrhoeic dermatitis
- 4Valid code L21.0Seborrhoea capitis
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 L21.0 mean?
L21.0 is the ICD-10-CA code for “Seborrhoea capitis” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is L21.0 in ICD-10-CA?
L21.0 sits under L21 Seborrhoeic dermatitis, within L20-L30 Dermatitis and eczema, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).
What coding notes apply to L21.0?
ICD-10-CA lists Includes, Excludes, Note notes for L21.0, 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.