G44.311✓ Billable
Acute post-traumatic headache, intractable
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G40-G47Episodic and paroxysmal disorders (G40-G47)├G44Other headache syndromes
└G44.311Acute post-traumatic headache, intractable
Not sure between two codes?
⇄ Compare G44.311 with another code →