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v1.0.0
ICD-10 Guide
ICD-10 CodesG44.52

G44.52

Billable

New daily persistent headache (NDPH)

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

Code Description

ICD-10 G44.52 is a billable code used to indicate a diagnosis of new daily persistent headache (ndph).

Key Diagnostic Point:

New daily persistent headache (NDPH) is a unique headache disorder characterized by the sudden onset of a daily headache that persists for at least three months. Unlike migraines or tension-type headaches, NDPH is notable for its continuous nature and the fact that it begins abruptly, often without any preceding symptoms. Patients typically describe the headache as a dull, non-pulsating pain that can vary in intensity. The exact etiology of NDPH remains unclear, but it may be associated with various triggers, including viral infections, stress, or changes in sleep patterns. Diagnosis is primarily clinical, relying on patient history and symptomatology, as there are no specific laboratory tests for NDPH. Treatment often involves a combination of acute and preventive strategies, including medications such as NSAIDs, anticonvulsants, or antidepressants. Understanding the patient's history and potential triggers is crucial for effective management and to prevent chronicity.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating NDPH from other headache types like migraines and tension-type headaches.
  • Need for comprehensive patient history to identify potential triggers.
  • Variability in patient presentation and response to treatment.
  • Documentation of symptom duration and characteristics is essential for accurate coding.

Audit Risk Factors

  • Inadequate documentation of headache characteristics and duration.
  • Failure to document potential triggers or associated symptoms.
  • Misclassification of NDPH as a migraine or tension-type headache.
  • Lack of follow-up documentation to support ongoing treatment.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed headache history, including onset, duration, and associated symptoms.

Common Clinical Scenarios

Patients presenting with new-onset daily headaches, often after a viral illness.

Billing Considerations

Neurologists should ensure clear differentiation from other headache types and document any neurological examinations performed.

Primary Care

Documentation Requirements

Comprehensive patient history and any relevant lifestyle factors that may contribute to headache onset.

Common Clinical Scenarios

Patients with persistent headaches who may not have seen a specialist yet.

Billing Considerations

Primary care providers should document any referrals to specialists and the rationale for treatment choices.

Coding Guidelines

Inclusion Criteria

Use G44.52 When
  • According to the ICD
  • CM coding guidelines, G44
  • 52 should be used when a patient presents with a new daily persistent headache that has lasted for at least three months
  • It is important to document the onset, duration, and characteristics of the headache to support the use of this code

Exclusion Criteria

Do NOT use G44.52 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits for patients with NDPH to assess treatment efficacy.

Documentation Requirements

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

Specialty Considerations

Neurologists may require more detailed neurological assessments during these visits.

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, including NDPH, which helps in better tracking and management of these conditions. It has improved the granularity of data for research and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of headache disorders, including NDPH, which helps in better tracking and management of these conditions. It has improved the granularity of data for research and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of headache disorders, including NDPH, which helps in better tracking and management of these conditions. It has improved the granularity of data for research and treatment outcomes.

Resources

Clinical References

  • •
    American Headache Society

Coding & Billing References

  • •
    American Headache Society

Frequently Asked Questions

What is the difference between NDPH and chronic migraine?

NDPH is characterized by a daily headache that begins suddenly and persists for at least three months, while chronic migraine involves recurrent headaches that can vary in frequency and intensity. NDPH does not respond to typical migraine treatments and has distinct diagnostic criteria.