G44.301✓ Billable
Post-traumatic headache, unspecified, intractable
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G40-G47Episodic and paroxysmal disorders (G40-G47)├G44Other headache syndromes
└G44.301Post-traumatic headache, unspecified, intractable
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