FY2027 ICD-10-CM reference
F20.89: Other schizophrenia
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Other schizophrenia. 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.
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
code, if applicable, to identify:
Source: F20 (category, inherited).
Instructional note
other specified cognitive deficit (R41.84-)
Source: F20 (category, inherited).
Excludes1
brief psychotic disorder (F23)
Source: F20 (category, inherited).
Excludes1
cyclic schizophrenia (F25.0)
Source: F20 (category, inherited).
Excludes1
mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
Source: F20 (category, inherited).
Excludes1
schizoaffective disorder (F25.-)
Source: F20 (category, inherited).
Excludes1
schizophrenic reaction NOS (F23)
Source: F20 (category, inherited).
Excludes2
schizophrenic reaction in:
Source: F20 (category, inherited).
Excludes2
alcoholism (F10.15-, F10.25-, F10.95-)
Source: F20 (category, inherited).
Excludes2
brain disease (F06.2)
Source: F20 (category, inherited).
Excludes2
epilepsy (F06.2)
Source: F20 (category, inherited).
Excludes2
psychoactive drug use (F11-F19 with .15. .25, .95)
Source: F20 (category, inherited).
Excludes2
schizotypal disorder (F21)
Source: F20 (category, inherited).
Instructional note
Cenesthopathic schizophrenia
Source: F20.89 (self, direct).
Instructional note
Simple schizophrenia
Source: F20.89 (self, direct).
Compare the FY2027 additions, removals and billable-status changes
What does F20.89 mean in FY2027?
The official ICD-10-CM descriptor is Other schizophrenia. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is F20.89 billable in FY2027?
The FY2027 order file marks F20.89 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does F20.89 map to an HCC?
In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), F20.89 maps to CMS-HCC V28 HCC 151 (Schizophrenia). For 2027 dates of service, CMS has not yet published the payment year 2028 mappings. ESRD, RxHCC, PACE and HHS-HCC mappings are still pending verification for FY2027.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition