F31.4 — Bipolar disorder, current episode depressed, severe, without psychotic features
F31.4 is a billable, specific ICD-10-CM code for bipolar disorder, current episode depressed, severe, without psychotic features. It is valid for submission on a claim.
Risk adjustment
F31.4 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:
- HCC 154 Bipolar Disorders without Psychosis0.351 RAF
- HCC 154 Bipolar Disorders without Psychosis0.351 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
F31.4 is named in 26 Medicare coverage policies — 25 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56614Billing and Coding: Psychiatric Inpatient Hospitalization
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56685Billing and Coding: Partial Hospitalization Programs
How F31.4 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F31.4.
- Reaction›depressive›affective(single episode)
- Disorder›bipolar›current episode›severe depression(without psychotic features)
- Disorder›bipolar›current episode›depressed›without psychotic features›severe(without psychotic features)
Related codes at this level
Codes that share F31. If F31.4 is not quite right, the correct code is usually one of these.
- F31.0Bipolar disorder, current episode hypomanic
- F31.1Bipolar disorder, current episode manic without psychotic features
- F31.2Bipolar disorder, current episode manic severe with psychotic features
- F31.3Bipolar disorder, current episode depressed, mild or moderate severity
- F31.5Bipolar disorder, current episode depressed, severe, with psychotic features
- F31.6Bipolar disorder, current episode mixed
- F31.7Bipolar disorder, currently in remission
- F31.8Other bipolar disorders
- F31.9Bipolar disorder, unspecified
Questions about F31.4
- Is F31.4 a billable ICD-10-CM code?
- Yes. F31.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F31.4 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mood [affective] disorders (F30-F39).