2027 ICD-10-CM Diagnosis Code F25.8Other schizoaffective disorders
ICD-10-CM Codes›F01–F99›F20-F29›F25
- Billable — Valid for Submission
- Risk Adjusts — HCC 151
- Chronic Condition
F25.8 is a billable ICD-10-CM diagnosis code for other schizoaffective disorders. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 885. Coders also document this condition as acute exacerbation of chronic schizoaffective schizophrenia. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Schizophrenia spectrum and other psychotic disorders.
For Medicare Advantage risk adjustment, F25.8 maps to CMS-HCC Category 151 (Schizophrenia) under the V28 model, adding a risk factor of about 0.511 for a community, non-dual, aged beneficiary in payment year 2027.
Code Identity
Code Classification
Medicare Risk Adjustment (HCC)Billing
F25.8 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 2027.
Source: CMS Payment Year 2027 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.
- Acute exacerbation of chronic schizoaffective schizophrenia
- Acute exacerbation of subchronic schizoaffective schizophrenia
- Chronic schizoaffective schizophrenia
- Schizoaffective disorder
- Schizoaffective schizophrenia
- Schizoaffective schizophrenia in remission
- Schizophrenia in remission
- Subchronic schizoaffective schizophrenia
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F25.8: its own notes plus those printed at F25 and Chapter 5. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- disorders of psychological development
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F25.8, its category, or a range that includes it.
Excludes1 4
These codes carry an Excludes1 note naming F25.8: they are not reported together with it, unless the two conditions are unrelated.
- F20 Schizophreniaschizoaffective disorder (F25.-) names F25.-, which includes this code
- F53 Mental and behavioral disorders associated with the puerperium, not elsewhere classified
- R44 Other symptoms and signs involving general sensations and perceptions
- R46 Symptoms and signs involving appearance and behavior
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disorder (of) See Also: Disease;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Psychotic Disorders
Psychotic disorders are severe mental disorders that cause abnormal thinking and perceptions. People with psychoses lose touch with reality. Two of the main symptoms are delusions and hallucinations. Delusions are false beliefs, such as thinking that someone is plotting against you or that the TV is sending you secret messages.
Read the full article at MedlinePlus
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Convert F25.8 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F25.8Overview
What is the ICD-10 code for other schizoaffective disorders?
The ICD-10-CM code for other schizoaffective disorders is F25.8 (sometimes written as F258). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F25.8 (Schizoaffective disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other schizoaffective disorders on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F25.8 group to?
When other schizoaffective disorders is the principal diagnosis on an inpatient stay, it groups to MS-DRG 885 (psychoses), which carries a relative weight of 1.3904. Higher weights mean higher Medicare reimbursement.
Can F25.8 be reported with F30.2?
Not as a rule. The Excludes1 note at F25, which applies to F25.8, lists "mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of F25.8?
Under the General Equivalence Mappings, other schizoaffective disorders converts to ICD-9-CM 295.70 (schizoaffective dis NOS). The mapping is approximate, so confirm the match fits the documentation.
What HCC is F25.8?
F25.8 (other schizoaffective disorders) maps to CMS-HCC Category 151 (Schizophrenia), commonly written as HCC 151, in the CMS-HCC V28 model used for Medicare Advantage risk adjustment in payment year 2027. It mapped to HCC 57 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 130.
Does F25.8 risk-adjust for Medicare Advantage payment?
Yes. When documented and reported on a Medicare Advantage encounter, F25.8 adds a risk adjustment factor of about 0.511 to the beneficiary's RAF score for a community, non-dual, aged enrollee (published V28 weights range from 0.304 to 0.591 depending on the payment segment). HCC 151 sits at the top of its hierarchy, so no other condition category supersedes it. See the full factor table on the HCC 151 category page.
