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Z96.651

Z96.651Presence of right artificial knee joint

Billable / specific codeICD-10-CMright

Z96.651 is a billable, specific ICD-10-CM code for presence of right artificial knee joint. It is valid for submission on a claim.

Excludes2 inherited from the categories above Z96.651

Also inherited, and the opposite of Excludes1: these conditions are not part of Z96.651, but a patient can have both, so you may code both.

Written on Z96 Presence of other functional implants

  • complications of internal prosthetic devices, implants and grafts (T82-T85)
  • fitting and adjustment of prosthetic and other devices (Z44-Z46)

Other codes that can never be billed with Z96.651

These codes carry an Excludes1 note pointing at Z96.651. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z96.651 alone.

  • Z18Retained foreign body fragments

Risk adjustment

Z96.651 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

Z96.651 is named in 13 Medicare coverage policies 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52465Knee Orthoses - Policy Article
  • A52465Knee Orthoses - Policy Article
  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy

Code history

Z96.651 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 Z96.65. If Z96.651 is not quite right, the correct code is usually one of these.

Questions about Z96.651

Is Z96.651 a billable ICD-10-CM code?
Yes. Z96.651 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z96.651 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.