ICD-10-CM 2027
ICD-10 code for Hallucinosis
Other psychotic disorder not due to a substance or known physiological condition
From the official ICD-10-CM alphabetic index entry “Hallucinosis (chronic)”. Page updated September 29, 2026.
About coding Hallucinosis
The ICD-10-CM code for Hallucinosis is F28 (Other psychotic disorder not due to a substance or known physiological condition). The official index lists 28 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on F28.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 885 (Psychoses, relative weight 1.3901), DRG 974 (HIV with Major Related Condition with MCC, relative weight 3.0506), DRG 975 (HIV with Major Related Condition with CC, relative weight 1.3252) and DRG 976 (HIV with Major Related Condition without CC/MCC, relative weight 0.8124), in MDC 19 (Mental Diseases and Disorders) and MDC 25 (Human Immunodeficiency Virus Infections), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
More specific Hallucinosis codes (official index)
- alcoholic (acute) F10.951 — Alcohol use, unspecified with alcohol-induced psychotic disorder with hallucinations
- in
- abuse F10.151 — Alcohol abuse with alcohol-induced psychotic disorder with hallucinations
- dependence F10.251 — Alcohol dependence with alcohol-induced psychotic disorder with hallucinations
- drug-induced F19.951 — Other psychoactive substance use, unspecified with psychoactive substance-induced psychotic disorder with hallucinations
- cannabis F12.951 — Cannabis use, unspecified with psychotic disorder with hallucinations
- cocaine F14.951 — Cocaine use, unspecified with cocaine-induced psychotic disorder with hallucinations
- hallucinogen F16.151 — Hallucinogen abuse with hallucinogen-induced psychotic disorder with hallucinations
- in
- abuse F19.151 — Other psychoactive substance abuse with psychoactive substance-induced psychotic disorder with hallucinations
- cannabis F12.151 — Cannabis abuse with psychotic disorder with hallucinations
- cocaine F14.151 — Cocaine abuse with cocaine-induced psychotic disorder with hallucinations
- hallucinogen F16.151 — Hallucinogen abuse with hallucinogen-induced psychotic disorder with hallucinations
- inhalant F18.151 — Inhalant abuse with inhalant-induced psychotic disorder with hallucinations
- opioid F11.151 — Opioid abuse with opioid-induced psychotic disorder with hallucinations
- sedative, anxiolytic or hypnotic F13.151 — Sedative, hypnotic or anxiolytic abuse with sedative, hypnotic or anxiolytic-induced psychotic disorder with hallucinations
- stimulant NEC F15.151 — Other stimulant abuse with stimulant-induced psychotic disorder with hallucinations
- dependence F19.251 — Other psychoactive substance dependence with psychoactive substance-induced psychotic disorder with hallucinations
- cannabis F12.251 — Cannabis dependence with psychotic disorder with hallucinations
- cocaine F14.251 — Cocaine dependence with cocaine-induced psychotic disorder with hallucinations
- hallucinogen F16.251 — Hallucinogen dependence with hallucinogen-induced psychotic disorder with hallucinations
- inhalant F18.251 — Inhalant dependence with inhalant-induced psychotic disorder with hallucinations
- opioid F11.251 — Opioid dependence with opioid-induced psychotic disorder with hallucinations
- sedative, anxiolytic or hypnotic F13.251 — Sedative, hypnotic or anxiolytic dependence with sedative, hypnotic or anxiolytic-induced psychotic disorder with hallucinations
- stimulant NEC F15.251 — Other stimulant dependence with stimulant-induced psychotic disorder with hallucinations
- inhalant F18.951 — Inhalant use, unspecified with inhalant-induced psychotic disorder with hallucinations
- opioid F11.951 — Opioid use, unspecified with opioid-induced psychotic disorder with hallucinations
- sedative, anxiolytic or hypnotic F13.951 — Sedative, hypnotic or anxiolytic use, unspecified with sedative, hypnotic or anxiolytic-induced psychotic disorder with hallucinations
- stimulant NEC F15.951 — Other stimulant use, unspecified with stimulant-induced psychotic disorder with hallucinations
- organic F06.0 — Psychotic disorder with hallucinations due to known physiological condition
Common questions about Hallucinosis ICD-10 codes
What is the ICD-10 code for Hallucinosis?
- F28 — Other psychotic disorder not due to a substance or known physiological condition. More specific codes apply when the documentation supports them: F10.951, F10.151, F10.251, F19.951 and others below.
What is the ICD-10 code for alcoholic hallucinosis?
- F10.951 — Alcohol use, unspecified with alcohol-induced psychotic disorder with hallucinations.
What is the ICD-10 code for drug-induced hallucinosis?
- F19.951 — Other psychoactive substance use, unspecified with psychoactive substance-induced psychotic disorder with hallucinations.
What is the ICD-10 code for organic hallucinosis?
- F06.0 — Psychotic disorder with hallucinations due to known physiological condition.
Is F28 billable?
- Yes. F28 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can F28 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict F28 as a principal diagnosis.
Is F28 a CC or MCC?
- No. F28 is neither a CC nor an MCC under MS-DRG v44.0.