2026 ICD-10-CM Diagnosis Code F30.8Other manic episodes

ICD-10-CM Codes›F01–F99›F30-F39›F30

ICD-10-CM F30.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F30.8 is a billable ICD-10-CM diagnosis code for other manic episodes. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 885. Coders also document this condition as atypical manic disorder. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Bipolar and related disorders.

For Medicare Advantage risk adjustment, F30.8 maps to CMS-HCC Category 154 (Bipolar Disorders without Psychosis) under the V28 model, adding a risk factor of about 0.351 for a community, non-dual, aged beneficiary in payment year 2026.

Code Identity

ICD-10-CM Code
F30.8
Billable Status
Yes — Valid for Submission
Code Describes
Other manic episodes
Short Description
Other manic episodes
Same as the full description in the CMS dataset.
Parent Code
F30
Manic episode

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF30-F39Mood [affective] disorders
CategoryF30Manic episode
This CodeF30.8Other manic episodes

Medicare Risk Adjustment (HCC)Billing

F30.8 maps to a payment category in the CMS-HCC model used to risk-adjust Medicare Advantage payments. Weights are the published community factors for payment year 2026.

CMS-HCC V28 Category (Payment Model)
HCC 154— Bipolar Disorders without Psychosis
Payment HCC · PY 2026 one of 27 ICD-10-CM codes in this category
Risk Adjustment Factor (RAF) Weight
+0.351
community, non-dual, aged · ranges 0.108–0.351 across segments
Hierarchy
Superseded by HCC 151, HCC 152, and HCC 153
a more severe related category takes the payment when both are reported
Prior Model (CMS-HCC V24)
HCC 59
V24 retired V28 pays 100% of MA risk scores since PY 2026
Other CMS Models
PACE (CMS-HCC V22): HCC 58 · ESRD (V21): HCC 58 · ESRD (V24): HCC 59
ESRD V21 weights: 0.091 dialysis, 0.217–0.260 functioning graft · ESRD V24 weights: 0.066 dialysis, 0.129–0.259 functioning graft
Part D (RxHCC)
RxHCC 131 — Bipolar Disorders
also risk-adjusts in the Part D prescription drug model (V08)

Source: CMS Payment Year 2026 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Atypical manic disorder
  • Bipolar I disorder, single manic episode
  • Bipolar I disorder, single manic episode with catatonic features
  • Bipolar I disorder, single manic episode with postpartum onset
  • Bipolar I disorder, single manic episode, in remission
  • Hypomania

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Hypomania

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD003
Bipolar and related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Bipolar Disorder

Bipolar disorder is a mood disorder that can cause intense mood swings:

The full article covers:

  • What is bipolar disorder?
  • What are the types of bipolar disorder?
  • What causes bipolar disorder?
  • Who is at risk for bipolar disorder?
  • What are the symptoms of bipolar disorder?
  • How is bipolar disorder diagnosed?
  • What are the treatments for bipolar disorder?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert F30.8 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
296.81 Atypical manic disorder
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F30.8Overview

What is the ICD-10 code for other manic episodes?

The ICD-10-CM code for other manic episodes is F30.8 (sometimes written as F308). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is F30.8 (Manic episode) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other manic episodes on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does F30.8 group to?

When other manic episodes is the principal diagnosis on an inpatient stay, it groups to MS-DRG 885 (psychoses), which carries a relative weight of 1.3968. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of F30.8?

Under the General Equivalence Mappings, other manic episodes converts to ICD-9-CM 296.81 (atypical manic disorder). The mapping is approximate, so confirm the match fits the documentation.

What HCC is F30.8?

F30.8 (other manic episodes) maps to CMS-HCC Category 154 (Bipolar Disorders without Psychosis), commonly written as HCC 154, in the CMS-HCC V28 model used for Medicare Advantage risk adjustment in payment year 2026. It mapped to HCC 59 under the retired V24 model. It also maps in the PACE (CMS-HCC V22), ESRD (V21), and ESRD (V24) models. In the Part D prescription drug model it maps to RxHCC 131.

Does F30.8 risk-adjust for Medicare Advantage payment?

Yes. When documented and reported on a Medicare Advantage encounter, F30.8 adds a risk adjustment factor of about 0.351 to the beneficiary's RAF score for a community, non-dual, aged enrollee (published V28 weights range from 0.108 to 0.351 depending on the payment segment). A more severe related category (HCC 151, HCC 152, and HCC 153) supersedes it when both are reported. See the full factor table on the HCC 154 category page.