ICD Code G43.919

ICD code G43.919 is migraine that is not further specified, is difficult to treat (intractable), and does not involve prolonged or severe migraine attacks (without status migrainosus).

1. Patient presents with recurrent headache attacks.

2. Headache episodes are moderate to severe in intensity.

3. Headaches are typically unilateral, pulsating, and aggravated by routine physical activity.

4. Associated symptoms may include nausea, vomiting, photophobia, or phonophobia.

5. No aura or specific migraine subtype identified.

6. Headache episodes are resistant to standard acute and preventive migraine therapies.

7. No evidence of status migrainosus (headache lasting more than 72 hours).

8. Other secondary causes of headache have been ruled out.

Relevant CPT codes that may be used to treat ICD code G43.919 include:

- 96372 (Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular)

- 96365 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour)

- 99201–99215 (Evaluation and management services, new or established patient office visits)

- 64615 (Chemodenervation of muscle(s); muscle(s) innervated by facial, trigeminal, cervical spinal, and accessory nerves, bilateral (e.g., for chronic migraine treatment with onabotulinumtoxinA))

- J0585 (Injection, onabotulinumtoxinA, 1 unit)

- 96360 (Intravenous infusion, hydration; initial, 31 minutes to 1 hour)

- 96361 (Intravenous infusion, hydration; each additional hour)

- 96374 (Therapeutic, prophylactic, or diagnostic injection; intravenous push, single or initial substance/drug)

These CPT codes are commonly associated with the management and treatment of G43.919. Always verify payer-specific requirements and documentation guidelines.

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