ICD-10 · PDGM grouping
F16 Hallucinogen related disorders
All 40 codes in the F16 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
40
Can lead a claim
38
Cannot lead a claim
2
What CMS assigns to F16
38 of the 40 codes group to Behavioral Health; 2 are assigned no clinical group. 1 of the 40 counts toward the Mental and Behavioral Disorders Due to Psychoactive Substance Abuse comorbidity subgroup; 39 are assigned none. 38 of the 40 can lead a claim.
- Mental and Behavioral Disorders Due to Psychoactive Substance Abuse
Every code in F16
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| F16.1 Hallucinogen abuse | ||||
| F16.10 | Hallucinogen abuse, uncomplicated | Can lead a claim | F | None |
| F16.11 | Hallucinogen abuse, in remission | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| F16.12 Hallucinogen abuse with intoxication | ||||
| F16.120 | Hallucinogen abuse with intoxication, uncomplicated | Can lead a claim | F | None |
| F16.121 | Hallucinogen abuse with intoxication with delirium | Can lead a claim | F | None |
| F16.122 | Hallucinogen abuse with intoxication with perceptual disturbanceCMS: Hallucinogen abuse w intoxication w perceptual disturbance | Can lead a claim | F | None |
| F16.129 | Hallucinogen abuse with intoxication, unspecified | Can lead a claim | F | None |
| F16.14 | Hallucinogen abuse with hallucinogen-induced mood disorder | Can lead a claim | F | None |
| F16.15 Hallucinogen abuse with hallucinogen-induced psychotic disorder | ||||
| F16.150 | Hallucinogen abuse with hallucinogen-induced psychotic disorder with delusionsCMS: Hallucinogen abuse w psychotic disorder w delusions | Can lead a claim | F | None |
| F16.151 | Hallucinogen abuse with hallucinogen-induced psychotic disorder with hallucinationsCMS: Hallucinogen abuse w psychotic disorder w hallucinations | Can lead a claim | F | None |
| F16.159 | Hallucinogen abuse with hallucinogen-induced psychotic disorder, unspecifiedCMS: Hallucinogen abuse w psychotic disorder, unsp | Can lead a claim | F | None |
| F16.18 Hallucinogen abuse with other hallucinogen-induced disorder | ||||
| F16.180 | Hallucinogen abuse with hallucinogen-induced anxiety disorderCMS: Hallucinogen abuse w hallucinogen-induced anxiety disorder | Can lead a claim | F | None |
| F16.183 | Hallucinogen abuse with hallucinogen persisting perception disorder (flashbacks)CMS: Hallucign abuse w hallucign persisting perception disorder | Can lead a claim | F | None |
| F16.188 | Hallucinogen abuse with other hallucinogen-induced disorder | Can lead a claim | F | None |
| F16.19 | Hallucinogen abuse with unspecified hallucinogen-induced disorderCMS: Hallucinogen abuse with unsp hallucinogen-induced disorder | Can lead a claim | F | None |
| F16.2 Hallucinogen dependence | ||||
| F16.20 | Hallucinogen dependence, uncomplicated | Can lead a claim | F | Mental and Behavioral Disorders Due to Psychoactive Substance Abuse |
| F16.21 | Hallucinogen dependence, in remission | Can lead a claim | F | None |
| F16.22 Hallucinogen dependence with intoxication | ||||
| F16.220 | Hallucinogen dependence with intoxication, uncomplicated | Can lead a claim | F | None |
| F16.221 | Hallucinogen dependence with intoxication with delirium | Can lead a claim | F | None |
| F16.229 | Hallucinogen dependence with intoxication, unspecified | Can lead a claim | F | None |
| F16.24 | Hallucinogen dependence with hallucinogen-induced mood disorderCMS: Hallucinogen dependence w hallucinogen-induced mood disorder | Can lead a claim | F | None |
| F16.25 Hallucinogen dependence with hallucinogen-induced psychotic disorder | ||||
| F16.250 | Hallucinogen dependence with hallucinogen-induced psychotic disorder with delusionsCMS: Hallucinogen dependence w psychotic disorder w delusions | Can lead a claim | F | None |
| F16.251 | Hallucinogen dependence with hallucinogen-induced psychotic disorder with hallucinationsCMS: Hallucinogen dependence w psychotic disorder w hallucin | Can lead a claim | F | None |
| F16.259 | Hallucinogen dependence with hallucinogen-induced psychotic disorder, unspecifiedCMS: Hallucinogen dependence w psychotic disorder, unsp | Can lead a claim | F | None |
| F16.28 Hallucinogen dependence with other hallucinogen-induced disorder | ||||
| F16.280 | Hallucinogen dependence with hallucinogen-induced anxiety disorderCMS: Hallucinogen dependence w anxiety disorder | Can lead a claim | F | None |
| F16.283 | Hallucinogen dependence with hallucinogen persisting perception disorder (flashbacks)CMS: Hallucign depend w hallucign persisting perception disorder | Can lead a claim | F | None |
| F16.288 | Hallucinogen dependence with other hallucinogen-induced disorderCMS: Hallucinogen dependence w oth hallucinogen-induced disorder | Can lead a claim | F | None |
| F16.29 | Hallucinogen dependence with unspecified hallucinogen-induced disorderCMS: Hallucinogen dependence w unsp hallucinogen-induced disorder | Can lead a claim | F | None |
| F16.9 Hallucinogen use, unspecified | ||||
| F16.90 | Hallucinogen use, unspecified, uncomplicated | Can lead a claim | F | None |
| F16.91 | Hallucinogen use, unspecified, in remission | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| F16.92 Hallucinogen use, unspecified with intoxication | ||||
| F16.920 | Hallucinogen use, unspecified with intoxication, uncomplicatedCMS: Hallucinogen use, unsp with intoxication, uncomplicated | Can lead a claim | F | None |
| F16.921 | Hallucinogen use, unspecified with intoxication with deliriumCMS: Hallucinogen use, unsp with intoxication with delirium | Can lead a claim | F | None |
| F16.929 | Hallucinogen use, unspecified with intoxication, unspecified | Can lead a claim | F | None |
| F16.94 | Hallucinogen use, unspecified with hallucinogen-induced mood disorderCMS: Hallucinogen use, unsp w hallucinogen-induced mood disorder | Can lead a claim | F | None |
| F16.95 Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder | ||||
| F16.950 | Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder with delusionsCMS: Hallucinogen use, unsp w psychotic disorder w delusions | Can lead a claim | F | None |
| F16.951 | Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder with hallucinationsCMS: Hallucinogen use, unsp w psychotic disorder w hallucinations | Can lead a claim | F | None |
| F16.959 | Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder, unspecifiedCMS: Hallucinogen use, unsp w psychotic disorder, unsp | Can lead a claim | F | None |
| F16.98 Hallucinogen use, unspecified with other specified hallucinogen-induced disorder | ||||
| F16.980 | Hallucinogen use, unspecified with hallucinogen-induced anxiety disorderCMS: Hallucinogen use, unsp w anxiety disorder | Can lead a claim | F | None |
| F16.983 | Hallucinogen use, unspecified with hallucinogen persisting perception disorder (flashbacks)CMS: Hallucign use, unsp w hallucign persist perception disorder | Can lead a claim | F | None |
| F16.988 | Hallucinogen use, unspecified with other hallucinogen-induced disorderCMS: Hallucinogen use, unsp w oth hallucinogen-induced disorder | Can lead a claim | F | None |
| F16.99 | Hallucinogen use, unspecified with unspecified hallucinogen-induced disorderCMS: Hallucinogen use, unsp w unsp hallucinogen-induced disorder | Can lead a claim | F | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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