Is Z18.8 a billable ICD-10-CM code?

No. Z18.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Z18.8 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Retained foreign body fragments (Z18).

Z18.8

Z18.8 — Other specified retained foreign body

Non-billable headerICD-10-CM

Z18.8 is a non-billable header ICD-10-CM code for other specified retained foreign body. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

Z18.8 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 Z18.8

3 child codes. Green means billable.

Z18.81Retained glass fragments
Z18.83Retained stone or crystalline fragments
Z18.89Other specified retained foreign body fragments

Related codes at this level

Codes that share Z18. If Z18.8 is not quite right, the correct code is usually one of these.

Z18.0Retained radioactive fragments
Z18.1Retained metal fragments
Z18.2Retained plastic fragments
Z18.3Retained organic fragments
Z18.9Retained foreign body fragments, unspecified material

Questions about Z18.8

Is Z18.8 a billable ICD-10-CM code?: No. Z18.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z18.8 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Retained foreign body fragments (Z18).