L91.0

L91.0: Hypertrophic scar

Billable / specific codeICD-10-CM

L91.0 is a billable, specific ICD-10-CM code for hypertrophic scar. It is valid for submission on a claim.

Check L91.0 with the rest of the claim: free scrubber

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

acne keloid (L73.0)
scar NOS (L90.5)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Keloid
Keloid scar

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

L91.0 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A53057Billing and Coding: Home Health Occupational Therapy
A53064Billing and Coding: Outpatient Occupational Therapy
A57044Billing and Coding: Removal of Benign Skin Lesions
A57113Billing and Coding: Removal of Benign Skin Lesions

Alphabetic index entries that lead here

Kelis
Keloid, cheloid
Keloma
Hypertrophy, hypertrophic›scar
Keloid, cheloid›Hawkin's
Keloid, cheloid›scar
Scar, scarring›cheloid
Scar, scarring›hypertrophic
Scar, scarring›keloid

Code history

Unchanged in every release from FY2024 to FY2027.