L21.8
BillableOther seborrheic dermatitis
Other seborrheic dermatitis
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- •chronic (childhood) granulomatous diseaseD71
- •dermatitis gangrenosaL08.0
- •dermatitis herpetiformisL13.0
- •dry skin dermatitisL85.3
- •factitial dermatitisL98.1
- •perioral dermatitisL71.0
- •radiation-related disorders of the skin and subcutaneous tissueL55-L59
- •stasis dermatitisI87.2
- •infective dermatitisL30.3
- •seborrheic keratosisL82
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(107)
SNOMED CT
- Senile sebaceous gland hyperplasia19845004
- Greasy skin42273000
- Oily skin42273000
- Erythematosquamous dermatosis54792008
- Diffuse dermatitis58921009
- Seborrhea adiposa63977007
- Seborrhea oleosa63977007
- Seborrhoea adiposa63977007
- Seborrhoea oleosa63977007
- Parakeratosis200766001
- Seborrhea corporis201236001
- Seborrhoea corporis201236001
- Facial seborrheic dermatitis201237005
- Facial seborrheic eczema201237005
- Facial seborrhoeic dermatitis201237005
- Facial seborrhoeic eczema201237005
- Seborrhea faciei201237005
- Seborrhoea faciei201237005
- Seborrhea nasi201238000
- Seborrhoea nasi201238000
- Post-encephalitic seborrhea201240005
- Post-encephalitic seborrhoea201240005
- Eczematous intertrigo238566001
- Flexural seborrheic dermatitis238566001
- Flexural seborrheic eczema238566001
- Flexural seborrhoeic dermatitis238566001
- Flexural seborrhoeic eczema238566001
- Seborrheic intertrigo238566001
- Seborrhoeic intertrigo238566001
- Benign seborrheic hyperplasia238748009
- Benign seborrhoeic hyperplasia238748009
- Sebaceous gland hyperplasia238748009
- Sebaceous hyperplasia238748009
- Acute seborrheic dermatitis402202008
- Acute seborrheic eczema402202008
- Acute seborrhoeic dermatitis402202008
- Acute seborrhoeic eczema402202008
- Acute generalised seborrhoeic dermatitis402203003
- Acute generalised seborrhoeic eczema402203003
- Acute generalized seborrheic dermatitis402203003
- Acute generalized seborrheic eczema402203003
- Erythrodermic seborrheic dermatitis402205005
- Erythrodermic seborrheic eczema402205005
- Erythrodermic seborrhoeic dermatitis402205005
- Erythrodermic seborrhoeic eczema402205005
- Pityriasiform seborrheic dermatitis402206006
- Pityriasiform seborrheic eczema402206006
- Pityriasiform seborrhoeic dermatitis402206006
- Pityriasiform seborrhoeic eczema402206006
- Physiological Anomalies of Neonatal Skin402802003
- Physiological anomaly of neonatal skin402802003
- Neonatal sebaceous gland hyperplasia403852003
Clinical Terms
- Flexural seborrheic dermatitis
- Neonatal sebaceous gland hyperplasia
- Seborrhoea adiposa
- Physiological anomaly of neonatal skin
- Acute generalised seborrhoeic dermatitis
- Pityriasiform seborrhoeic eczema
- Acute seborrhoeic eczema
- Parakeratosis
- Acute generalised seborrhoeic eczema
- Acute generalized seborrheic dermatitis
- Erythematosquamous dermatosis
- Senile sebaceous gland hyperplasia
- Post-encephalitic seborrhoea
- Flexural seborrhoeic dermatitis
- Seborrhoea faciei
- Seborrhea oleosa
- Diffuse dermatitis
- Facial seborrhoeic dermatitis
- Facial seborrheic eczema
- Oily skin
- Sebaceous gland hyperplasia
- Seborrhoea nasi
- Benign seborrheic hyperplasia
- Facial seborrheic dermatitis
- Acute seborrhoeic dermatitis
- Facial seborrhoeic eczema
- Physiological Anomalies of Neonatal Skin
- Seborrhea faciei
- Seborrhoea oleosa
- Other seborrhoeic dermatitis
- Erythrodermic seborrheic dermatitis
- Seborrhea adiposa
- Seborrhea nasi
- Seborrheic intertrigo
- Acute generalized seborrheic eczema
- Greasy skin
- Seborrhoea corporis
- Flexural seborrheic eczema
- Post-encephalitic seborrhea
- Pityriasiform seborrhoeic dermatitis
- Flexural seborrhoeic eczema
- Eczematous intertrigo
- Acute seborrheic eczema
- Benign seborrhoeic hyperplasia
- Erythrodermic seborrheic eczema
- Pityriasiform seborrheic dermatitis
- Seborrhea corporis
- Seborrhoeic intertrigo
- Sebaceous hyperplasia
- Acute seborrheic dermatitis
- Erythrodermic seborrhoeic dermatitis
- Erythrodermic seborrhoeic eczema
- Pityriasiform seborrheic eczema
Frequently Asked Questions
What is the ICD-10 code for other seborrheic dermatitis?
The ICD-10-CM code for other seborrheic dermatitis is L21.8. The full clinical description is "Other seborrheic dermatitis". L21.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L21.8 mean?
ICD-10-CM code L21.8 represents “Other seborrheic dermatitis”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a billable/specific code that can be used on a claim.
Is L21.8 a billable code?
Yes, L21.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L21.8 in?
L21.8 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What SNOMED CT codes does L21.8 map to?
L21.8 maps to 18 SNOMED CT concepts: 402203003, 402202008, 238748009, 58921009, 238566001, and 13 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L21.8?
L21.8 is linked to 1 UMLS Concept Unique Identifier: C0348768. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L21.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other seborrheic dermatitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L21.8?
L21.8 maps to the ICD-11 code: EA81.Z (Seborrhoeic dermatitis, unspecified).
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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.