F16.120
BillableHallucinogen abuse with intoxication, uncomplicated
HCC Category Mapping
V28HCC 137 — Drug Use Disorder/Substance Use Disorder, Moderate/Severe
0.358V24HCC 55 — Drug/Alcohol Dependence
0.334ESRDHCC 55 — Drug/Alcohol Dependence
0.000What This Code Means
A condition where someone abuses hallucinogenic drugs and is currently intoxicated or under the influence without additional complications.
Coding Tips
- •This code indicates active intoxication; assess for safety risks and need for immediate intervention
- •Document the time of last use and observed intoxication symptoms
Clinical Significance
Hallucinogen abuse with uncomplicated intoxication captures a patient actively under the influence of hallucinogenic drugs without severe complications like delirium. Hallucinogen intoxication can present with perceptual intensification, depersonalization, derealization, and autonomic changes. This code is commonly used in emergency settings where patients present with acute hallucinogenic effects.
Documentation Requirements
- ✓Documented hallucinogen abuse pattern
- ✓Clinical evidence of current intoxication: perceptual changes, pupil dilation, tachycardia, diaphoresis
- ✓Absence of delirium or severe perceptual disturbances warranting a higher-specificity code
- ✓Time of last substance use documented when available
- ✓Safety assessment and any interventions provided
Commonly Confused Codes
F16.121 — Hallucinogen abuse with intoxication with delirium; use when delirium is presentF16.122 — Hallucinogen abuse with intoxication with perceptual disturbance; use when significant perceptual changes occurF16.10 — Hallucinogen abuse, uncomplicated; use when NOT currently intoxicatedF16.220 — Hallucinogen dependence with intoxication; requires documented dependence
Code Hierarchy
└F16Hallucinogen related disorders└F16.1Hallucinogen abuse└F16.12Hallucinogen abuse with intoxication└F16.120Hallucinogen abuse with intoxication, uncomplicated
└F16.120Hallucinogen abuse with intoxication, uncomplicated