ICD10BillableValid for clinical use
ICD-10 Code L83: Acanthosis nigricans
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).
When is it used?
- May be used when a clinician documents acanthosis nigricans in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L80-L99Other disorders of the skin and subcutaneous tissue
currentL80-L99
Official coding notes
Inclusion terms
- Confluent and reticulated papillomatosis
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Dermatologist
Related codes
L80VitiligocodeL81Other disorders of pigmentationcategoryL82Seborrheic keratosiscategoryL84Corns and callositiescodeL85Other epidermal thickeningcategoryL86Keratoderma in diseases classified elsewherecodeL87Transepidermal elimination disorderscategoryL88Pyoderma gangrenosumcodeL89Pressure ulcercategoryL90Atrophic disorders of skincategoryL91Hypertrophic disorders of skincategoryL92Granulomatous disorders of skin and subcutaneous tissuecategory
Sibling codes
L80VitiligobillableL81Other disorders of pigmentationL82Seborrheic keratosisL84Corns and callositiesbillableL85Other epidermal thickeningL86Keratoderma in diseases classified elsewherebillableL87Transepidermal elimination disordersL88Pyoderma gangrenosumbillableL89Pressure ulcerL90Atrophic disorders of skinL91Hypertrophic disorders of skinL92Granulomatous disorders of skin and subcutaneous tissueL93Lupus erythematosusL94Other localized connective tissue disordersL95Vasculitis limited to skin, not elsewhere classifiedL97Non-pressure chronic ulcer of lower limb, not elsewhere classifiedL98Other disorders of skin and subcutaneous tissue, not elsewhere classifiedL99Other disorders of skin and subcutaneous tissue in diseases classified elsewherebillable
Coverage-related procedures and services
CPT 44388high
COLONOSCOPY THROUGH STOMA; DIAGNOSTIC, INCLUDING COLLECTION OF SPECIMEN(S) BY BRUSHING OR WASHING, WHEN PERFORMED (SEPARATE PROCEDURE)
Source: CMS coverage guidance
CPT 44401high
COLONOSCOPY THROUGH STOMA; WITH ABLATION OF TUMOR(S), POLYP(S), OR OTHER LESION(S) (INCLUDES PRE-AND POST-DILATION AND GUIDE WIRE PASSAGE, WHEN PERFORMED)
Source: CMS coverage guidance
CPT 44389high
COLONOSCOPY THROUGH STOMA; WITH BIOPSY, SINGLE OR MULTIPLE
Source: CMS coverage guidance
CPT 44391high
COLONOSCOPY THROUGH STOMA; WITH CONTROL OF BLEEDING, ANY METHOD
Source: CMS coverage guidance
CPT 44404high
COLONOSCOPY THROUGH STOMA; WITH DIRECTED SUBMUCOSAL INJECTION(S), ANY SUBSTANCE
Source: CMS coverage guidance
CPT 44402high
COLONOSCOPY THROUGH STOMA; WITH ENDOSCOPIC STENT PLACEMENT (INCLUDING PRE- AND POST-DILATION AND GUIDE WIRE PASSAGE, WHEN PERFORMED)
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 402599005high
Acanthosis nigricans
Source: SNOMED International ICD-10 map
SNOMED_CT 402342001high
Acanthosis nigricans of oral mucous membranes
Source: SNOMED International ICD-10 map
SNOMED_CT 238637007high
Acanthosis palmaris
Source: SNOMED International ICD-10 map
SNOMED_CT 72129000high
Acquired acanthosis nigricans
Source: SNOMED International ICD-10 map
SNOMED_CT 89987007high
Confluent AND reticulate papillomatosis
Source: SNOMED International ICD-10 map
SNOMED_CT 238635004high
Drug-induced acanthosis nigricans
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L83
Common synonyms
Acanthosis nigricans
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.