ICD10BillableValid for clinical use
ICD-10 Code L81.6: Other disorders of diminished melanin formation
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 other disorders of diminished melanin formation 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
category
L81Other disorders of pigmentation
currentL81
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
L81.0Postinflammatory hyperpigmentationcodeL81.1ChloasmacodeL81.2FrecklescodeL81.3Café au lait spotscodeL81.4Other melanin hyperpigmentationcodeL81.5Leukoderma, not elsewhere classifiedcodeL81.7Pigmented purpuric dermatosiscodeL81.8Other specified disorders of pigmentationcodeL81.9Disorder of pigmentation, unspecifiedcode
Sibling codes
L81.0Postinflammatory hyperpigmentationbillableL81.1ChloasmabillableL81.2FrecklesbillableL81.3Café au lait spotsbillableL81.4Other melanin hyperpigmentationbillableL81.5Leukoderma, not elsewhere classifiedbillableL81.7Pigmented purpuric dermatosisbillableL81.8Other specified disorders of pigmentationbillableL81.9Disorder of pigmentation, unspecifiedbillable
Mapped diagnoses and classifications
SNOMED_CT 403276003high
Acquired hypomelanosis of uncertain aetiology
Source: SNOMED International ICD-10 map
SNOMED_CT 398656003high
Acquired hypomelanotic disorder
Source: SNOMED International ICD-10 map
SNOMED_CT 238839007high
Acquired poikiloderma
Source: SNOMED International ICD-10 map
SNOMED_CT 280962005high
Chemically-induced hypomelanosis
Source: SNOMED International ICD-10 map
SNOMED_CT 402807009high
Circumscribed hypomelanosis
Source: SNOMED International ICD-10 map
SNOMED_CT 238837009high
Diffuse and macular atrophic dermatosis of Stevanovic
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L81.6
Common synonyms
Other disorders of diminished melanin formation
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.