G44.41 Drug-induced headache, not elsewhere classified, intractable

The following code(s) above G44.41 may contain annotation back-references that may be applicable to G44.41:

• Diseases of the nervous system (G00-G99)
• Drug-induced headache, not elsewhere classified (G44.4)

Diagnosis Index

Headache R51.9
- Drug-induced NEC G44.40
-- Intractable G44.41
- Medication Overuse G44.40
-- Intractable G44.41
- Rebound G44.40
-- Intractable G44.41