FY2027 ICD-10-CM reference
F30.9: Manic episode, unspecified
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Manic episode, unspecified. 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).
Includes
bipolar disorder, single manic episode
Source: F30 (category, inherited).
Includes
mixed affective episode
Source: F30 (category, inherited).
Excludes1
bipolar disorder (F31.-)
Source: F30 (category, inherited).
Excludes1
major depressive disorder, single episode (F32.-)
Source: F30 (category, inherited).
Excludes1
major depressive disorder, recurrent (F33.-)
Source: F30 (category, inherited).
Instructional note
Mania NOS
Source: F30.9 (self, direct).
Compare the FY2027 additions, removals and billable-status changes
What does F30.9 mean in FY2027?
The official ICD-10-CM descriptor is Manic episode, unspecified. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is F30.9 billable in FY2027?
The FY2027 order file marks F30.9 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does F30.9 map to an HCC?
In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), F30.9 maps to CMS-HCC V28 HCC 154 (Bipolar Disorders without Psychosis). 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
