Category: G44 - Other headache syndromes

 Chapter Notes

 G44

Other headache syndromes

headache NOS (R51.9)

atypical facial pain (G50.1)

headache due to lumbar puncture (G97.1)

migraines (G43.-)

trigeminal neuralgia (G50.0)

 G44.0

Cluster headaches and other trigeminal autonomic cephalgias (TAC)

 G44.00

Cluster headache syndrome, unspecified

Ciliary neuralgia

Cluster headache NOS

Histamine cephalgia

Lower half migraine

Migrainous neuralgia

 G44.001

Cluster headache syndrome, unspecified, intractable

 G44.009

Cluster headache syndrome, unspecified, not intractable

Cluster headache syndrome NOS

 G44.01

Episodic cluster headache

 G44.011

Episodic cluster headache, intractable

 G44.019

Episodic cluster headache, not intractable

Episodic cluster headache NOS

 G44.02

Chronic cluster headache

 G44.021

Chronic cluster headache, intractable

 G44.029

Chronic cluster headache, not intractable

Chronic cluster headache NOS

 G44.03

Episodic paroxysmal hemicrania

Paroxysmal hemicrania NOS

 G44.031

Episodic paroxysmal hemicrania, intractable

 G44.039

Episodic paroxysmal hemicrania, not intractable

Episodic paroxysmal hemicrania NOS

 G44.04

Chronic paroxysmal hemicrania

 G44.041

Chronic paroxysmal hemicrania, intractable

 G44.049

Chronic paroxysmal hemicrania, not intractable

Chronic paroxysmal hemicrania NOS

 G44.05

Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)

 G44.051

Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable

 G44.059

Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable

Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS

 G44.09

Other trigeminal autonomic cephalgias (TAC)

 G44.091

Other trigeminal autonomic cephalgias (TAC), intractable

 G44.099

Other trigeminal autonomic cephalgias (TAC), not intractable

 G44.1

Vascular headache, not elsewhere classified

cluster headache (G44.0)

complicated headache syndromes (G44.5-)

drug-induced headache (G44.4-)

migraine (G43.-)

other specified headache syndromes (G44.8-)

post-traumatic headache (G44.3-)

tension-type headache (G44.2-)

 G44.2

Tension-type headache

 G44.20

Tension-type headache, unspecified

 G44.201

Tension-type headache, unspecified, intractable

 G44.209

Tension-type headache, unspecified, not intractable

Tension headache NOS

 G44.21

Episodic tension-type headache

 G44.211

Episodic tension-type headache, intractable

 G44.219

Episodic tension-type headache, not intractable

Episodic tension-type headache NOS

 G44.22

Chronic tension-type headache

 G44.221

Chronic tension-type headache, intractable

 G44.229

Chronic tension-type headache, not intractable

Chronic tension-type headache NOS

 G44.3

Post-traumatic headache

 G44.30

Post-traumatic headache, unspecified

 G44.301

Post-traumatic headache, unspecified, intractable

 G44.309

Post-traumatic headache, unspecified, not intractable

Post-traumatic headache NOS

 G44.31

Acute post-traumatic headache

 G44.311

Acute post-traumatic headache, intractable

 G44.319

Acute post-traumatic headache, not intractable

Acute post-traumatic headache NOS

 G44.32

Chronic post-traumatic headache

 G44.321

Chronic post-traumatic headache, intractable

 G44.329

Chronic post-traumatic headache, not intractable

Chronic post-traumatic headache NOS

 G44.4

Drug-induced headache, not elsewhere classified

Medication overuse headache

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

 G44.40

Drug-induced headache, not elsewhere classified, not intractable

 G44.41

Drug-induced headache, not elsewhere classified, intractable

 G44.5

Complicated headache syndromes

 G44.51

Hemicrania continua

 G44.52

New daily persistent headache (NDPH)

 G44.53

Primary thunderclap headache

 G44.59

Other complicated headache syndrome

 G44.8

Other specified headache syndromes

headache with orthostatic or positional component, not elsewhere classified (R51.0)

 G44.81

Hypnic headache

 G44.82

Headache associated with sexual activity

Orgasmic headache

Preorgasmic headache

 G44.83

Primary cough headache

 G44.84

Primary exertional headache

 G44.85

Primary stabbing headache

 G44.86

Cervicogenic headache

Code also associated cervical spinal condition, if known

 G44.89

Other headache syndrome