Is Z94.6 a billable ICD-10-CM code?

Yes. Z94.6 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z94.6 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).

What cannot be coded together with Z94.6?

Z94.6 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z94.6 (Z94) and apply to it just the same.

Z94.6

Z94.6 — Bone transplant status

Billable / specific codeICD-10-CMPOA exempt

Z94.6 is a billable, specific ICD-10-CM code for bone transplant status. It is valid for submission on a claim.

Excludes1 inherited from the categories above Z94.6

These are not written on Z94.6, but they bind it: a note on a category applies to every code beneath it. Billing Z94.6 with anything listed here is a denial.

Written on Z94 — Transplanted organ and tissue status

complications of transplanted organ or tissue - see Alphabetical Index

Excludes2 inherited from the categories above Z94.6

Also inherited, and the opposite of Excludes1: these conditions are not part of Z94.6, but a patient can have both, so you may code both.

Written on Z94 — Transplanted organ and tissue status

presence of vascular grafts (Z95.-)

Other codes that can never be billed with Z94.6

These codes carry an Excludes1 note pointing at Z94.6. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z94.6 alone.

Z18Retained foreign body fragments

Risk adjustment

Z94.6 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

Z94.6 is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A55717Billing and Coding: Lab: Flow Cytometry
A56464Billing and Coding: Flow Cytometry
A56638Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)
A56642Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs)

How Z94.6 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z94.6.

Transplant›bone

The condition this code belongs to

Every code for the condition on one page, which one applies when, and the mistake coders make with it.

Kidney transplant ICD-10 codes

Code history

Z94.6 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 Z94. If Z94.6 is not quite right, the correct code is usually one of these.

Questions about Z94.6

Is Z94.6 a billable ICD-10-CM code?: Yes. Z94.6 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z94.6 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).
What cannot be coded together with Z94.6?: Z94.6 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z94.6 (Z94) and apply to it just the same.