L91.9
BillableHypertrophic disorder of the skin, unspecified
Hypertrophic disorder of the skin, unspecified
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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(12)
SNOMED CT
UMLS
Clinical Terms
- Hypertrophic skin
- Skin graft hypertrophy
- Hypertrophic condition of skin (disorder)
- Hypertrophic condition of skin
Frequently Asked Questions
What is the ICD-10 code for hypertrophic disorder of the skin, unspecified?
The ICD-10-CM code for hypertrophic disorder of the skin, unspecified is L91.9. The full clinical description is "Hypertrophic disorder of the skin, unspecified". L91.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L91.9 mean?
ICD-10-CM code L91.9 represents “Hypertrophic disorder of the skin, unspecified”. 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 L91.9 a billable code?
Yes, L91.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L91.9 in?
L91.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What SNOMED CT codes does L91.9 map to?
L91.9 maps to 2 SNOMED CT concepts: 24782002, 403681000. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L91.9?
L91.9 is linked to 1 UMLS Concept Unique Identifier: C0263630. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L91.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hypertrophic disorder of the skin, unspecified 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 L91.9?
L91.9 maps to the ICD-11 code: EE6Z (Fibromatosis of skin or soft tissue, 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.