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FY2027 ICD-10-CM reference

F23: Brief psychotic disorder

By the HCC Buddy Coding Team

The official ICD-10-CM descriptor is Brief psychotic disorder. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Billable code. Verified against the official FY2027 order file.

Oct to Dec 2026, PY2027

CMS-HCC V28

Mapped
  • HCC 152Psychosis, Except SchizophreniaCoefficient 0.484 (CNA, PY2027)

CMS-HCC V24

Not used by CMS

ESRD

Mapped
  • HCC 58Reactive and Unspecified PsychosisCoefficient 0.111 (Dialysis CE, PY2027)

RxHCC

Mapped
  • HCC 130Schizophrenia and Other PsychosisCoefficient 0.249 (MA-PD CE non-low aged, PY2027)

PACE (CMS-HCC V22 component)

No CMS category

PACE ESRD (ESRD V21 component)

No CMS category

PACE RxHCC (2018/2019 component)

Mapped
  • HCC 130Schizophrenia and Other Psychosis

Jan to Sep 2027, PY2028

CMS-HCC V28

Not published by CMS

CMS-HCC V24

Not published by CMS

ESRD

Not published by CMS

RxHCC

Not published by CMS

PACE (CMS-HCC V22 component)

Not published by CMS

PACE ESRD (ESRD V21 component)

Not published by CMS

PACE RxHCC component

Not published by CMS

Oct to Dec 2026, BY2026

HHS-HCC

Pending

Jan to Sep 2027, BY2027

HHS-HCC

Not published by CMS

FY2027 Tabular instructions

Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.

Includes

disorders of psychological development

Source: F01-F99 (chapter, inherited).

Excludes2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: F01-F99 (chapter, inherited).

Instructional note

Paranoid reaction

Source: F23 (category, direct).

Instructional note

Psychogenic paranoid psychosis

Source: F23 (category, direct).

Excludes2

mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)

Source: F23 (category, direct).

Source: CMS FY2027 Tabular List and Alphabetic Index.

Open Tabular instructions and code details

Compare the FY2027 additions, removals and billable-status changes

What does F23 mean in FY2027?

The official ICD-10-CM descriptor is Brief psychotic disorder. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Is F23 billable in FY2027?

The FY2027 order file marks F23 as billable. Check the complete Tabular instructions and documentation before assigning it.

Does F23 map to an HCC?

Oct to Dec 2026, PY2027: CMS-HCC V28 HCC 152 (Psychosis, Except Schizophrenia); CMS-HCC V24: Not used by CMS; ESRD HCC 58 (Reactive and Unspecified Psychosis); RxHCC HCC 130 (Schizophrenia and Other Psychosis). Jan to Sep 2027, PY2028: CMS-HCC V28: Not published by CMS; CMS-HCC V24: Not published by CMS; ESRD: Not published by CMS; RxHCC: Not published by CMS. Oct to Dec 2026, BY2026: HHS-HCC: Pending. Jan to Sep 2027, BY2027: HHS-HCC: Not published by CMS. Base coefficients are reference values, not a member total.

Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.

Review the FY2026 April edition