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F31.75

✓ Billable

Bipolar disorder, in partial remission, most recent episode depressed

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

F31
  • • bipolar disorder, single manic episode (F30.-)
  • • major depressive disorder, single episode (F32.-)
  • • major depressive disorder, recurrent (F33.-)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

F31
  • • cyclothymia (F34.0)

Clinical Description

ICD-10-CM code F31.75 represents bipolar disorder, in partial remission, most recent episode depressed. This code falls under the Mental, Behavioral and Neurodevelopmental disorders (F01-F99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that F31.75 has 3 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code F31.75?

ICD-10-CM code F31.75 is "Bipolar disorder, in partial remission, most recent episode depressed". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

Is F31.75 a billable ICD-10 code?

Yes, F31.75 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with F31.75?

F31.75 has 3 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can F31.75 be coded with other codes?

F31.75 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in F31.7

Other codes in the same category that may be relevant for differential coding:

F31.70Bipolar disorder, currently in remission, most recent episode unspecifiedF31.71Bipolar disorder, in partial remission, most recent episode hypomanicF31.72Bipolar disorder, in full remission, most recent episode hypomanicF31.73Bipolar disorder, in partial remission, most recent episode manicF31.74Bipolar disorder, in full remission, most recent episode manicF31.76Bipolar disorder, in full remission, most recent episode depressedF31.77Bipolar disorder, in partial remission, most recent episode mixedF31.78Bipolar disorder, in full remission, most recent episode mixed

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Code Information

CodeF31.75
BillableYes
ParentF31.7
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes13 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)