ICD10BillableValid for clinical use
ICD-10 Code L90.9: Atrophic disorder of skin, unspecified
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 atrophic disorder of skin, unspecified 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
L90Atrophic disorders of skin
currentL90
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
L90.0Lichen sclerosus et atrophicuscodeL90.1Anetoderma of Schweninger-BuzzicodeL90.2Anetoderma of Jadassohn-PellizzaricodeL90.3Atrophoderma of Pasini and PierinicodeL90.4Acrodermatitis chronica atrophicanscodeL90.5Scar conditions and fibrosis of skincodeL90.6Striae atrophicaecodeL90.8Other atrophic disorders of skincode
Sibling codes
L90.0Lichen sclerosus et atrophicusbillableL90.1Anetoderma of Schweninger-BuzzibillableL90.2Anetoderma of Jadassohn-PellizzaribillableL90.3Atrophoderma of Pasini and PierinibillableL90.4Acrodermatitis chronica atrophicansbillableL90.5Scar conditions and fibrosis of skinbillableL90.6Striae atrophicaebillableL90.8Other atrophic disorders of skinbillable
Coverage-related procedures and services
CPT 15847high
EXCISION, EXCESSIVE SKIN AND SUBCUTANEOUS TISSUE (INCLUDES LIPECTOMY), ABDOMEN (EG, ABDOMINOPLASTY) (INCLUDES UMBILICAL TRANSPOSITION AND FASCIAL PLICATION) (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 15830high
EXCISION, EXCESSIVE SKIN AND SUBCUTANEOUS TISSUE (INCLUDES LIPECTOMY); ABDOMEN, INFRAUMBILICAL PANNICULECTOMY
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 400190005high
Atrophic condition of skin
Source: SNOMED International ICD-10 map
SNOMED_CT 201070005high
Atrophic spots of skin
Source: SNOMED International ICD-10 map
SNOMED_CT 403669004high
Atrophy of skin caused by drug
Source: SNOMED International ICD-10 map
SNOMED_CT 403654000high
Atrophy of skin caused by systemic corticosteroid
Source: SNOMED International ICD-10 map
SNOMED_CT 403653006high
Atrophy of skin caused by topical corticosteroid
Source: SNOMED International ICD-10 map
SNOMED_CT 403646002high
Cutaneous atrophy caused by corticosteroids
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L90.9
Common synonyms
Atrophic disorder of skin, unspecifiedAtrophic disorder of skin
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.