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ICD-10 Guide
ICD-10 CodesG44.329

G44.329

Billable

Chronic post-traumatic headache, not intractable

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

Code Description

ICD-10 G44.329 is a billable code used to indicate a diagnosis of chronic post-traumatic headache, not intractable.

Key Diagnostic Point:

Chronic post-traumatic headache (CPTH) is a type of headache that occurs following a traumatic brain injury (TBI) and persists for more than three months after the injury. It is characterized by a variety of symptoms, including dull, aching pain, sensitivity to light and sound, and exacerbation by physical activity. Unlike intractable headaches, which are resistant to treatment, CPTH not intractable can be managed with various therapeutic approaches. The condition may present as a tension-type headache or a migraine-like headache, and it can significantly impact the quality of life. Triggers for CPTH can include stress, lack of sleep, and environmental factors. Preventive treatments may involve pharmacological options such as beta-blockers, antidepressants, or anticonvulsants, as well as non-pharmacological strategies like cognitive behavioral therapy and lifestyle modifications. Accurate diagnosis and management are crucial for improving patient outcomes and reducing the burden of chronic pain.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of headaches (e.g., migraine vs. tension-type)
  • Understanding the patient's history of trauma and headache onset
  • Identifying appropriate preventive treatments and their documentation
  • Navigating the overlap with other headache disorders

Audit Risk Factors

  • Inadequate documentation of the traumatic event
  • Failure to specify the chronic nature of the headache
  • Misclassification of headache type
  • Lack of evidence for treatment attempts

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed history of headache characteristics, trauma details, and treatment response.

Common Clinical Scenarios

Patients presenting with headaches following a concussion or other head injuries.

Billing Considerations

Neurologists must document the duration, frequency, and severity of headaches to support the diagnosis.

Pain Management

Documentation Requirements

Comprehensive pain assessments and treatment plans, including medication trials.

Common Clinical Scenarios

Patients with chronic pain syndromes post-TBI seeking multidisciplinary management.

Billing Considerations

Pain specialists should document the impact of headaches on daily functioning and quality of life.

Coding Guidelines

Inclusion Criteria

Use G44.329 When
  • According to ICD
  • 10 guidelines, G44
  • 329 should be used when the headache is chronic and not classified as intractable
  • Documentation must support the chronicity and the post
  • traumatic nature of the headache

Exclusion Criteria

Do NOT use G44.329 When
  • Exclusion criteria include headaches that are purely migraine without a history of trauma

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits for chronic headache management.

Documentation Requirements

Document the patient's headache history, treatment response, and any changes in symptoms.

Specialty Considerations

Neurologists may need to provide detailed neurological examinations.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of headache disorders, improving the ability to track and manage chronic post-traumatic headaches effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of headache disorders, improving the ability to track and manage chronic post-traumatic headaches effectively.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of headache disorders, improving the ability to track and manage chronic post-traumatic headaches effectively.

Resources

Clinical References

  • •
    International Classification of Headache Disorders

Coding & Billing References

  • •
    International Classification of Headache Disorders

Frequently Asked Questions

What is the difference between chronic post-traumatic headache and chronic migraine?

Chronic post-traumatic headache is specifically linked to a history of trauma, while chronic migraine can occur independently of any traumatic event. The symptoms and triggers may overlap, but the underlying causes differ.