ICD-10-CM › L00-L99 › L80-L99 › L codes › L91

L91

Hypertrophic disorders of skin

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • L91.0 Hypertrophic scar
  • L91.8 Other hypertrophic disorders of the skin
  • L91.9 Hypertrophic disorder of the skin, unspecified

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Hypertrophic disorders of skin