L99
BillableOth disorders of skin, subcu in diseases classd elswhr
Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
Code First
The underlying condition must be sequenced before this code
- underlying disease, such as:
- •amyloidosisE85
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(64)
SNOMED CT
- Small vessel thrombosis of skin65366005
- Metabolic and nutritional disorders affecting skin238944001
- Systemic disease affecting skin238980001
- Acute Chagas' disease240653009
- Chagas' exanthem240656001
- Trypanosomiasis affecting skin402142006
- Rheumatoid arthritis with neutrophilic dermatitis402432002
- Rheumatoid neutrophilic dermatitis402432002
- Cutaneous complication of rheumatoid disease402434001
- Dermatosis resulting from vascular insufficiency402665000
- Cutaneous complication of systemic sclerosis402713007
- Amyloidosis limited to skin402720000
- Spinal cord defect affecting skin402743009
- Skin lesion in drug addict402765009
- Skin involvement in bacterial endocarditis402972001
- African trypanosomiasis affecting skin403138002
- Non-specific cutaneous reaction in Hodgkin disease404158005
- Non-specific cutaneous reaction in Hodgkin's disease404158005
- Skin disorder with AIDS (acquired immunodeficiency syndrome)421394009
- Skin disorder with acquired immunodeficiency syndrome421394009
- Disorder of skin co-occurrent with human immunodeficiency virus infection713340000
- Primary localised cutaneous amyloidosis733729003
- Primary localized cutaneous amyloidosis733729003
- Amyloidosis cutis dyschromia764849002
- Amyloidosis cutis dyschromica764849002
- HIV modified skin disease1142055000
- Human immunodeficiency virus modified skin disease1142055000
- Behcet disease of skin1144914004
- Cutaneous Behcet disease1144914004
- Disorder of skin due to human immunodeficiency virus infection1148863007
- Skin disease due to human immunodeficiency virus infection1148863007
UMLS
Clinical Terms
- Amyloidosis cutis dyschromica
- Amyloidosis limited to skin
- Skin disorder with AIDS (acquired immunodeficiency syndrome)
- Skin disease due to human immunodeficiency virus infection
- Spinal cord defect affecting skin
- Non-specific cutaneous reaction in Hodgkin disease
- Primary localized cutaneous amyloidosis
- Non-specific cutaneous reaction in Hodgkin's disease
- Metabolic and nutritional disorders affecting skin
- African trypanosomiasis affecting skin
- Rheumatoid neutrophilic dermatitis
- Cutaneous complication of rheumatoid disease
- Amyloidosis cutis dyschromia
- Skin involvement in bacterial endocarditis
- Acute Chagas' disease
- Cutaneous complication of systemic sclerosis
- Disorder of skin due to human immunodeficiency virus infection
- Systemic disease affecting skin
- HIV modified skin disease
- Human immunodeficiency virus modified skin disease
- Cutaneous Behcet disease
- Disorder of skin co-occurrent with human immunodeficiency virus infection
- Primary localised cutaneous amyloidosis
- Small vessel thrombosis of skin
- Trypanosomiasis affecting skin
- Chagas' exanthem
- Skin lesion in drug addict
- Skin disorder with acquired immunodeficiency syndrome
- Behcet disease of skin
- Rheumatoid arthritis with neutrophilic dermatitis
- Dermatosis resulting from vascular insufficiency
Frequently Asked Questions
What is the ICD-10 code for oth disorders of skin, subcu in diseases classd elswhr?
The ICD-10-CM code for oth disorders of skin, subcu in diseases classd elswhr is L99. The full clinical description is "Other disorders of skin and subcutaneous tissue in diseases classified elsewhere". L99 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L99 mean?
ICD-10-CM code L99 represents “Other disorders of skin and subcutaneous tissue in diseases classified elsewhere”. 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 L99 a billable code?
Yes, L99 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L99 in?
L99 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L99?
L99 has Excludes1 notes indicating codes that cannot be used together with it, including: skin disorders in diabetes (E08-E13 with .62-); skin disorders in gonorrhea (A54.89); skin disorders in syphilis (A51.31, A52.79).
What SNOMED CT codes does L99 map to?
L99 maps to 23 SNOMED CT concepts: 240653009, 403138002, 764849002, 402720000, 1144914004, and 18 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L99?
L99 is linked to 1 UMLS Concept Unique Identifier: C0477530. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L99 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like oth disorders of skin, subcu in diseases classd elswhr 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 L99?
L99 maps to the ICD-11 code: EM0Z (Skin disease of unspecified nature).
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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.