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

339.81 - Hypnic headache

GEM Conversion to ICD-10 CM

G44.81

Fs: 00000 – Hypnic headache

Sibling Codes

339.81

Hypnic headache

339.82

Headache associated with sexual activity

339.83

Primary cough headache

339.84

Primary exertional headache

339.85

Primary stabbing headache

339.89

Other headache syndromes

Parent Sibling Codes

339.3

Drug induced headache, not elsewhere classified