MCMedicalCodingSoftware
L89.91

L89.91Pressure ulcer of unspecified site, stage 1

Billable / specific codeICD-10-CM

L89.91 is a billable, specific ICD-10-CM code for pressure ulcer of unspecified site, stage 1. It is valid for submission on a claim.

Inclusion terms

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

  • Healing pressure ulcer of unspecified site, stage 1
  • Pressure pre-ulcer skin changes limited to persistent focal edema, unspecified site

Excludes2 inherited from the categories above L89.91

Also inherited, and the opposite of Excludes1: these conditions are not part of L89.91, but a patient can have both, so you may code both.

Written on L89 Pressure ulcer

Risk adjustment

L89.91 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

L89.91 is named in 3 Medicare coverage policies 1 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A53065Billing and Coding: Outpatient Physical Therapy

Code history

L89.91 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share L89.9. If L89.91 is not quite right, the correct code is usually one of these.

Questions about L89.91

Is L89.91 a billable ICD-10-CM code?
Yes. L89.91 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L89.91 sit in the tabular list?
Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.