Z91.04

Z91.04: Nonmedicinal substance allergy status

Non-billable headerICD-10-CM

Z91.04 is a non-billable header ICD-10-CM code for nonmedicinal substance allergy status. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above Z91.04

Not part of this code, but both may be coded when both are present.

Written on Z91.0: Allergy status, other than to drugs and biological substances

Allergy status to drugs, medicaments, and biological substances (Z88.-)

Written on Z91: Personal risk factors, not elsewhere classified

contact with and (suspected) exposures hazardous to health (Z77.-)
exposure to pollution and other problems related to physical environment (Z77.1-)
female genital mutilation status (N90.81-)
occupational exposure to risk factors (Z57.-)
personal history of physical injury and trauma (Z87.81, Z87.82-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Z91.04

3 child codes. Green means billable.

Excludes2 inherited from the categories above Z91.04

Risk adjustment

Code history

Code to one of these instead Z91.04

Other codes under Z91.0