ICD-9-CM Codes ICD-9-PCS Codes

339.22 - Chronic post-traumatic headache

GEM Conversion to ICD-10 CM

G44.329

Fs: 10000 – Chronic post-traumatic headache, not intractable

Sibling Codes

339.20

Post-traumatic headache, unspecified

339.21

Acute post-traumatic headache

339.22

Chronic post-traumatic headache

Parent Sibling Codes

339.3

Drug induced headache, not elsewhere classified