G44.53 Primary thunderclap headache

The following code(s) above G44.53 may contain annotation back-references that may be applicable to G44.53:

• Diseases of the nervous system (G00-G99)
• Complicated headache syndromes (G44.5)

Diagnosis Index

Headache R51.9
- Primary
-- Thunderclap G44.53
- Thunderclap G44.53