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Taxonomy Codes
Diseases of the nervous system
Episodic and paroxysmal disorders (G40-G47)
Other headache syndromes (G44)
G44
- Other headache syndromes
G44.0
- Cluster headaches and oth trigeminal autonm cephalgias (TAC)
G44.00
- Cluster headache syndrome, unspecified
G44.001
- Cluster headache syndrome, unspecified, intractable
G44.009
- Cluster headache syndrome, unspecified, not intractable
G44.01
- Episodic cluster headache
G44.011
- Episodic cluster headache, intractable
G44.019
- Episodic cluster headache, not intractable
G44.02
- Chronic cluster headache
G44.021
- Chronic cluster headache, intractable
G44.029
- Chronic cluster headache, not intractable
G44.03
- Episodic paroxysmal hemicrania
G44.031
- Episodic paroxysmal hemicrania, intractable
G44.039
- Episodic paroxysmal hemicrania, not intractable
G44.04
- Chronic paroxysmal hemicrania
G44.041
- Chronic paroxysmal hemicrania, intractable
G44.049
- Chronic paroxysmal hemicrania, not intractable
G44.05
- Shrt lst unil nerlgif headache w cnjnct inject/tear (SUNCT)
G44.051
- Shrt lst unil nerlgif hdache w cnjnct inject/tear, ntrct
G44.059
- Shrt lst unil nerlgif hdache w cnjnct inject/tear, not ntrct
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
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
G44.21
- Episodic tension-type headache
G44.211
- Episodic tension-type headache, intractable
G44.219
- Episodic tension-type headache, not intractable
G44.22
- Chronic tension-type headache
G44.221
- Chronic tension-type headache, intractable
G44.229
- Chronic tension-type headache, not intractable
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
G44.31
- Acute post-traumatic headache
G44.311
- Acute post-traumatic headache, intractable
G44.319
- Acute post-traumatic headache, not intractable
G44.32
- Chronic post-traumatic headache
G44.321
- Chronic post-traumatic headache, intractable
G44.329
- Chronic post-traumatic headache, not intractable
G44.4
- Drug-induced headache, not elsewhere classified
G44.40
- Drug-induced headache, NEC, 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
G44.81
- Hypnic headache
G44.82
- Headache associated with sexual activity
G44.83
- Primary cough headache
G44.84
- Primary exertional headache
G44.85
- Primary stabbing headache
G44.86
- Cervicogenic headache
G44.89
- Other headache syndrome