L21
Non-billableSeborrheic dermatitis
Seborrheic dermatitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
L20-L30
Child Codes
4
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- 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.-)
- 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)
- infective dermatitis (L30.3)
- seborrheic keratosis (L82.-)
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- Cradle CapC0036508
- Dermatitides, SeborrheicC0036508
- Dermatitis SeborrheicaC0036508
- Dermatitis seborrheicC0036508
- Dermatitis seborrhoeicC0036508
- Dermatitis, SeborrheicC0036508
- Eczema seborrhoeicC0036508
- SBD - Seborrheic dermatitisC0036508
- SBD - Seborrhoeic dermatitisC0036508
- SeborrheaC0036508
- Seborrheic DermatitidesC0036508
- Seborrheic DermatitisC0036508
- Seborrheic EczemaC0036508
- Seborrheic dermatitisC0036508
- Seborrheic dermatitis (disorder)C0036508
- Seborrheic dermatitis, unspecifiedC0036508
- Seborrheic eczemaC0036508
- Seborrhoeic dermatitisC0036508
- Seborrhoeic dermatitis, unspecifiedC0036508
- Seborrhoeic eczemaC0036508
- dermatitis seborrheicaC0036508
- seborrheaC0036508
- seborrheic dermatitisC0036508
- seborrheic eczemaC0036508
- seborrhoeaC0036508
- seborrhoeic dermatitisC0036508
- seborrhoeic eczemaC0036508
Frequently Asked Questions
What is ICD-10 code L21?
ICD-10-CM code L21 represents "Seborrheic dermatitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is L21 a billable code?
No, L21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under L21.
What chapter is L21 in?
L21 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What are the subcategories under L21?
L21 has 4 child codes, including: L21.0 (Seborrhea capitis), L21.1 (Seborrheic infantile dermatitis), L21.8 (Other seborrheic dermatitis), L21.9 (Seborrheic dermatitis, unspecified).
What are the UMLS CUIs for L21?
L21 is linked to 1 UMLS Concept Unique Identifier: C0036508. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.