MCMCB Pro
L89.121

L89.121Pressure ulcer of left upper back, stage 1

Billable / specific codeICD-10-CMleft

L89.121 is a billable, specific ICD-10-CM code for pressure ulcer of left upper back, 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 left upper back, stage 1
  • Pressure pre-ulcer skin changes limited to persistent focal edema, left upper back

Risk adjustment

L89.121 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

L89.121 is named in 8 Medicare coverage policies 6 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
  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy

Related codes at this level

Codes that share L89.12. If L89.121 is not quite right, the correct code is usually one of these.

Questions about L89.121

Is L89.121 a billable ICD-10-CM code?
Yes. L89.121 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L89.121 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.