ICD-10-CM G44.321 → ICD-9
Chronic post-traumatic headache, intractable
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 33922Approximate match
Chronic post-traumatic headache, intractable
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.