Other headache syndromes - G44
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- headache NOS (R51.9)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- atypical facial pain (G50.1)
- headache due to lumbar puncture (G97.1)
- migraines (G43.-)
- trigeminal neuralgia (G50.0)
These ranges represents subcategories of Other headache syndromes. The "G44" signifies that these are the diseases within this broad category.
Codes:
- G44.0 - Cluster headaches and other trigeminal autonomic 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 - 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
- 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, 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
- 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