Is Z93.5 a billable ICD-10-CM code?

No. Z93.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Z93.5 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 Z93.5?

Z93.5 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 Z93.5 (Z93) and apply to it just the same.

Z93.5

Z93.5 — Cystostomy status

Non-billable headerICD-10-CM

Z93.5 is a non-billable header ICD-10-CM code for cystostomy status. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above Z93.5

These are not written on Z93.5, but they bind it: a note on a category applies to every code beneath it. Billing Z93.5 with anything listed here is a denial.

Written on Z93 — Artificial opening status

artificial openings requiring attention or management (Z43.-)
complications of external stoma (J95.0-, K94.-, N99.5-)

Risk adjustment

Z93.5 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.

Code history

Z93.5 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead Z93.5

4 child codes. Green means billable.

Related codes at this level

Codes that share Z93. If Z93.5 is not quite right, the correct code is usually one of these.

Questions about Z93.5

Is Z93.5 a billable ICD-10-CM code?: No. Z93.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z93.5 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 Z93.5?: Z93.5 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 Z93.5 (Z93) and apply to it just the same.