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ICD-10/F31.1

F31.1 ICD-10-CM Code: Bipolar disorder, current episode manic without psychotic features

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Bipolar disorder, current episode manic without psychotic features is a non-billable ICD-10-CM category code (F31.1). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for F31.1 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • bipolar I disorder
  • bipolar type I disorder
  • manic-depressive illness
  • manic-depressive psychosis
  • manic-depressive reaction
  • seasonal bipolar disorder

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • bipolar disorder, single manic episode (F30.-)
  • major depressive disorder, single episode (F32.-)
  • major depressive disorder, recurrent (F33.-)

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • cyclothymia (F34.0)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can F31.1 be billed directly?

No. F31.1 (Bipolar disorder, current episode manic without psychotic features) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to F31.1 in its code family, with their registry titles.

  • F31 — Bipolar disorder
  • F31.0 — Bipolar disorder, current episode hypomanic
  • F31.10 — Bipolar disorder, current episode manic without psychotic features, unspecified
  • F31.11 — Bipolar disorder, current episode manic without psychotic features, mild
  • F31.12 — Bipolar disorder, current episode manic without psychotic features, moderate
  • F31.13 — Bipolar disorder, current episode manic without psychotic features, severe
  • F31.2 — Bipolar disorder, current episode manic severe with psychotic features
  • F31.3 — Bipolar disorder, current episode depressed, mild or moderate severity
  • F31.30 — Bipolar disorder, current episode depressed, mild or moderate severity, unspecified
  • F31.31 — Bipolar disorder, current episode depressed, mild

View all codes in the F31 family