Is Z58 a billable ICD-10-CM code?

No. Z58 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Z58 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 socioeconomic and psychosocial circumstances (Z55-Z65).

Z58

Z58 — Problems related to physical environment

Non-billable headerICD-10-CM

Z58 is a non-billable header ICD-10-CM code for problems related to physical environment. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

occupational exposure (Z57.-)

Risk adjustment

Z58 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 to one of these instead Z58

2 child codes. Green means billable.

Questions about Z58

Is Z58 a billable ICD-10-CM code?: No. Z58 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z58 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 socioeconomic and psychosocial circumstances (Z55-Z65).