Alphabetic Index FY2027

L90.5

Scar conditions and fibrosis of skin

FY2027Chapter 12: Diseases of the skin and subcutaneous tissue/L80–L99 Other disorders of the skin and subcutaneous tissue

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Other

L90.5 (also written L905) is a billable ICD-10-CM diagnosis code for scar conditions and fibrosis of skin. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category L90 (Atrophic disorders of skin). The Alphabetic Index lists it under 15 entries. Its coding notes include 12 Excludes2 entries.

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
Also from chapter/block level (10 notes)
Inherited from Chapter 12 Diseases of the skin and subcutaneous tissue
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Inclusion terms

Conditions classified to this code.

This code
  • Adherent scar (skin)
  • Cicatrix
  • Disfigurement of skin due to scar
  • Fibrosis of skin NOS
  • Scar NOS

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 15 entries

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