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ICD-10 Guide
ICD-10 CodesF31.13

F31.13

Billable

Bipolar disorder, current episode manic without psychotic features, severe

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 F31.13 is a billable code used to indicate a diagnosis of bipolar disorder, current episode manic without psychotic features, severe.

Key Diagnostic Point:

Bipolar disorder is a mood disorder characterized by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression). The current episode manic without psychotic features, severe, indicates that the patient is experiencing a manic episode that is intense and disruptive but does not include hallucinations or delusions. Symptoms of a severe manic episode may include increased energy, decreased need for sleep, grandiosity, talkativeness, distractibility, and engagement in high-risk behaviors. This condition can significantly impair social and occupational functioning and may lead to dangerous situations due to impulsivity. Treatment typically involves mood stabilizers, antipsychotic medications, and psychotherapy. Regular monitoring for suicide risk is crucial, as individuals with bipolar disorder have a higher risk of suicide, particularly during depressive episodes or when experiencing severe manic symptoms.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between manic and hypomanic episodes
  • Assessing severity levels accurately
  • Understanding the absence of psychotic features
  • Documenting the impact on daily functioning

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the severity of the episode
  • Misclassification of manic vs. hypomanic episodes
  • Lack of comprehensive treatment plans

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed clinical notes on mood symptoms, treatment response, and risk assessments.

Common Clinical Scenarios

Patients presenting with manic symptoms, treatment adjustments, and follow-up evaluations.

Billing Considerations

Ensure clear documentation of the absence of psychotic features and the severity of the episode.

Primary Care

Documentation Requirements

Thorough history and physical examination notes, including mental status evaluations.

Common Clinical Scenarios

Patients with known bipolar disorder presenting for routine care or acute manic episodes.

Billing Considerations

Collaboration with mental health specialists for comprehensive care and documentation.

Coding Guidelines

Inclusion Criteria

Use F31.13 When
  • Follow the ICD
  • CM guidelines for coding mood disorders, ensuring accurate documentation of the episode type, severity, and any associated features
  • Include any relevant comorbidities and treatment plans

Exclusion Criteria

Do NOT use F31.13 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits for medication management in patients with bipolar disorder.

Documentation Requirements

Document the patient's mood symptoms, treatment response, and any changes in medication.

Specialty Considerations

Psychiatrists should ensure comprehensive mental status evaluations are included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of bipolar disorder, improving the ability to capture the nuances of manic episodes and their severity, which aids in treatment planning and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of bipolar disorder, improving the ability to capture the nuances of manic episodes and their severity, which aids in treatment planning and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of bipolar disorder, improving the ability to capture the nuances of manic episodes and their severity, which aids in treatment planning and resource allocation.

Resources

Clinical References

  • •
    American Psychiatric Association - Diagnostic and Statistical Manual of Mental Disorders (DSM-5)

Coding & Billing References

  • •
    American Psychiatric Association - Diagnostic and Statistical Manual of Mental Disorders (DSM-5)

Frequently Asked Questions

What distinguishes F31.13 from other bipolar disorder codes?

F31.13 specifically indicates a current manic episode that is severe and does not include psychotic features, which is crucial for accurate treatment and management.