L21.0
Seborrhea capitis
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 20 never code together
L20-L30block
Excludes2
- chronic (childhood) granulomatous disease (D71-)D71-
- dermatitis gangrenosa (L08.0)L08.0
- dermatitis herpetiformis (L13.0)L13.0
- dry skin dermatitis (L85.3)L85.3
- factitial dermatitis (L98.1)L98.1
- perioral dermatitis (L71.0)L71.0
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59)L55-L59
- stasis dermatitis (I87.2)I87.2
L00-L99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- lipomelanotic reticulosis (I89.8)I89.8
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- viral warts (B07.-)B07.-
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 2
Index entries leading here 7
Alongside this code 3 same parent — L21
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.