FY2027 ICD-10-CM reference
F22: Delusional disorders
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Delusional disorders. 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
Delusional dysmorphophobia
Source: F22 (category, direct).
Instructional note
Involutional paranoid state
Source: F22 (category, direct).
Instructional note
Paranoia
Source: F22 (category, direct).
Instructional note
Paranoia querulans
Source: F22 (category, direct).
Instructional note
Paranoid psychosis
Source: F22 (category, direct).
Instructional note
Paranoid state
Source: F22 (category, direct).
Instructional note
Paraphrenia (late)
Source: F22 (category, direct).
Instructional note
Sensitiver Beziehungswahn
Source: F22 (category, direct).
Excludes1
mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
Source: F22 (category, direct).
Excludes1
paranoid schizophrenia (F20.0)
Source: F22 (category, direct).
Excludes2
paranoid personality disorder (F60.0)
Source: F22 (category, direct).
Excludes2
paranoid psychosis, psychogenic (F23)
Source: F22 (category, direct).
Excludes2
paranoid reaction (F23)
Source: F22 (category, direct).
Compare the FY2027 additions, removals and billable-status changes
What does F22 mean in FY2027?
The official ICD-10-CM descriptor is Delusional disorders. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is F22 billable in FY2027?
The FY2027 order file marks F22 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does F22 map to an HCC?
In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), F22 maps to CMS-HCC V28 HCC 152 (Psychosis, Except 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