F23 — Brief psychotic disorder
F23 is a billable, specific ICD-10-CM code for brief psychotic disorder. It is valid for submission on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Paranoid reaction
- Psychogenic paranoid psychosis
Other codes that can never be billed with F23
These codes carry an Excludes1 note pointing at F23. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading F23 alone.
Risk adjustment
F23 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:
- HCC 152 Psychosis, Except Schizophrenia0.484 RAF
- HCC 152 Psychosis, Except Schizophrenia0.484 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
F23 is named in 18 Medicare coverage policies — 17 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56614Billing and Coding: Psychiatric Inpatient Hospitalization
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56685Billing and Coding: Partial Hospitalization Programs
How F23 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F23.
- Bouffée délirante
- Oneirophrenia
- Attack, attacks›schizophreniform, brief
- Episode›psychotic
- Episode›schizophrenic NEC, brief(acute)
- Paranoid›reaction(acute)
- Psychosis, psychotic›acute(transient)
- Psychosis, psychotic›cycloid
- Psychosis, psychotic›episode
- Psychosis, psychotic›psychogenic(paranoid)
- Psychosis, psychotic›reactive(brief) (transient) (emotional stress) (psychological trauma)
- Psychosis, psychotic›situational(reactive)
Questions about F23
- Is F23 a billable ICD-10-CM code?
- Yes. F23 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F23 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29).