L21.9 Seborrheic dermatitis, unspecified
Instructional Notes:
-
L21.9
Description: Seborrheic dermatitis, unspecified
Inclusion Term:
↓
-
L21
Description: Seborrheic dermatitis
Exclude2:
- infective dermatitis (L30.3)
- seborrheic keratosis (L82.-)
↓
-
L20-L30
Description: Dermatitis and eczema (L20-L30)
Exclude2:
- chronic (childhood) granulomatous disease (D71)
- dermatitis gangrenosa (L08.0)
- dermatitis herpetiformis (L13.0)
- dry skin dermatitis (L85.3)
- factitial dermatitis (L98.1)
- perioral dermatitis (L71.0)
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
- stasis dermatitis (I87.2)
Notes:
- In this block the terms dermatitis and eczema are used synonymously and interchangeably.
↓
-
L00-L99
Description: Diseases of the skin and subcutaneous tissue
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)