L90.9
Billable codeAtrophic disorder of skin, unspecified
The ICD-10 code for atrophic disorder of skin, unspecified is L90.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- L90.0Lichen sclerosus et atrophicus
- L90.1Anetoderma of Schweninger-Buzzi
- L90.2Anetoderma of Jadassohn-Pellizzari
- L90.3Atrophoderma of Pasini and Pierini
- L90.4Acrodermatitis chronica atrophicans
- L90.5Scar conditions and fibrosis of skin
- L90.6Striae atrophicae
- L90.8Other atrophic disorders of skin
- L90.9Atrophic disorder of skin, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7019Approximate match
Associated MS-DRGs
L90.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC