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v1.0.0
ICD-10 Guide
ICD-10 CodesF64.8

F64.8

Billable

Other gender identity disorders

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

Code Description

ICD-10 F64.8 is a billable code used to indicate a diagnosis of other gender identity disorders.

Key Diagnostic Point:

F64.8 encompasses various gender identity disorders that do not fit neatly into the more commonly recognized categories of gender dysphoria or transsexualism. Patients with this diagnosis may experience significant distress or impairment in social, occupational, or other important areas of functioning due to their gender identity. This can manifest in various ways, including maladaptive behaviors, personality disorders, and impulse control issues. The clinical presentation may include a persistent desire to be of another gender, discomfort with one’s assigned gender, and a range of behaviors that may not conform to societal expectations of gender roles. It is crucial for healthcare providers to conduct thorough assessments to differentiate these disorders from other mental health conditions, ensuring that the diagnosis is accurate and that appropriate treatment options are considered. Treatment may involve psychotherapy, support groups, and, in some cases, medical interventions. The complexity of these disorders often requires a multidisciplinary approach, involving mental health professionals, endocrinologists, and other specialists to provide comprehensive care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in patient presentation and symptomatology
  • Need for comprehensive psychological evaluation
  • Differentiation from other mental health disorders
  • Potential for co-occurring conditions

Audit Risk Factors

  • Inadequate documentation of gender identity assessment
  • Failure to note co-occurring mental health conditions
  • Lack of clarity in treatment plans
  • Insufficient patient history regarding gender identity

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed psychological evaluations, treatment plans, and progress notes.

Common Clinical Scenarios

Assessment of gender dysphoria, treatment of co-occurring mood disorders, and management of maladaptive behaviors.

Billing Considerations

Understanding the patient's social context and support systems is crucial for accurate diagnosis and treatment.

Endocrinology

Documentation Requirements

Hormonal treatment plans, monitoring of hormone levels, and assessment of physical health related to gender transition.

Common Clinical Scenarios

Management of hormone therapy for transgender patients and monitoring for side effects.

Billing Considerations

Coordination with mental health providers to ensure comprehensive care.

Coding Guidelines

Inclusion Criteria

Use F64.8 When
  • According to ICD
  • 10 guidelines, F64
  • 8 should be used when the patient's gender identity issues do not align with the more specific codes
  • It is essential to document the patient's history, symptoms, and any treatments provided to support the diagnosis

Exclusion Criteria

Do NOT use F64.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

90834CPT Code

Psychotherapy, 45 minutes with patient

Clinical Scenario

Used for therapy sessions addressing gender identity issues.

Documentation Requirements

Session notes detailing patient progress and treatment goals.

Specialty Considerations

Psychiatrists should ensure comprehensive assessments are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more nuanced coding of gender identity disorders, facilitating better tracking of patient outcomes and treatment efficacy.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more nuanced coding of gender identity disorders, facilitating better tracking of patient outcomes and treatment efficacy.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    World Professional Association for Transgender Health (WPATH)

Coding & Billing References

  • •
    World Professional Association for Transgender Health (WPATH)

Frequently Asked Questions

What is the difference between F64.8 and F64.0?

F64.8 is used for gender identity disorders that do not fit the specific criteria for transsexualism (F64.0), allowing for a broader range of presentations.