Diagnosis Code

L91.0 HYPERTROPHIC SCAR


Code Information

Diagnosis Code: L91.0

Short Description: Hypertrophic scar

Long Description: Hypertrophic scar

The code L91.0 is VALID for claim submission

Code Classification:

  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Other disorders of the skin and subcutaneous tissue (L80-L99)
      • Hypertrophic disorders of skin (L91)
        • L91.0 Hypertrophic scar

Code Version: 2022 ICD-10-CM


Synonyms

  • Acne scar
  • Acne scar
  • Acne scar
  • Acne scars - mixed atrophic and hypertrophic
  • Acroosteolysis
  • Acroosteolysis, keloid-like lesions, premature aging syndrome
  • Contracture scar
  • Disorder of skin donor site
  • Ear-lobe keloid
  • Hereditary acroosteolysis
  • Hypertrophic acne scar
  • Hypertrophic scar
  • Hypertrophic scar of upper arm
  • Hypertrophic scarring of skin donor site
  • Hypertrophic surgical scar
  • Keloid acne scar
  • Keloid scar
  • Keloid scar
  • Keloidal surgical scar
  • Surgical scar
  • Surgical scar finding
  • X-linked keloid scarring, reduced joint mobility, increased optic cup-to-disc ratio syndrome

Diagnostic Related Group(s)

The code L91.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Minor Skin Disorders With Mcc (606)
  • Minor Skin Disorders Without Mcc (607)

References to Index of Diseases and Injuries

The code L91.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Keloid
    • Keloid scar
  • Type 2 Excludes Notes:
    • acne keloid (@L73.0*)
    • scar NOS (@L90.5*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
L91.0 Right Arrow 701.4 Keloid scar

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
L91 Hypertrophic disorders of skin
L91.8 Other hypertrophic disorders of the skin
L91.9 Hypertrophic disorder of the skin, unspecified


This page was last updated on: 10/1/2023