F16
F16 — Hallucinogen related disorders
Non-billable headerICD-10-CM
F16 is a non-billable header ICD-10-CM code for hallucinogen related disorders. It cannot be billed on its own: choose one of the more specific child codes below.
Includes
Conditions this code covers.
- ecstasy
- PCP
- phencyclidine
Other codes that can never be billed with F16
These codes carry an Excludes1 note pointing at F16. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading F16 alone.
Risk adjustment
F16 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 F16
3 child codes. Green means billable.
Questions about F16
- Is F16 a billable ICD-10-CM code?
- No. F16 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does F16 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mental and behavioral disorders due to psychoactive substance use (F10-F19).