MCMCB Pro
Z89.611

Z89.611Acquired absence of right leg above knee

Billable / specific codeICD-10-CMPOA exemptright

Z89.611 is a billable, specific ICD-10-CM code for acquired absence of right leg above knee. It is valid for submission on a claim.

Risk adjustment

Z89.611 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 409 Amputation Status, Lower Limb/Amputation Complications0.598 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

Z89.611 is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy
  • A57311Billing and Coding: Physical Therapy - Home Health

Related codes at this level

Codes that share Z89.61. If Z89.611 is not quite right, the correct code is usually one of these.

Questions about Z89.611

Is Z89.611 a billable ICD-10-CM code?
Yes. Z89.611 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z89.611 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
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.