F16.9Non-billable
Hallucinogen use, unspecified
Chapter 5: Mental, Behavioral and Neurodevelopmental disorders
Coding Guidance
F16.9 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Includes
4 items
Includes
From F01-F99:
- •disorders of psychological development
From F16:
- •ecstasy
- •PCP
- •phencyclidine
Excludes2
1 item
Excludes2
From F01-F99:
- •symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)