ICD-10-CM-2023 > G00-G99 > G40-G47 > G44 |
G40-G47 | Episodic and paroxysmal disorders | |
G44 | Other headache syndromes | |
Excl1.: | headache NOS (R51.9) | |
Excl2.: | 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 | |
Info: | 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 | |
Info: | Cluster headache syndrome NOS | |
G44.01 | Episodic cluster headache | |
G44.011 | Episodic cluster headache, intractable | |
G44.019 | Episodic cluster headache, not intractable | |
Info: | Episodic cluster headache NOS | |
G44.02 | Chronic cluster headache | |
G44.021 | Chronic cluster headache, intractable | |
G44.029 | Chronic cluster headache, not intractable | |
Info: | Chronic cluster headache NOS | |
G44.03 | Episodic paroxysmal hemicrania | |
Info: | Paroxysmal hemicrania NOS | |
G44.031 | Episodic paroxysmal hemicrania, intractable | |
G44.039 | Episodic paroxysmal hemicrania, not intractable | |
Info: | Episodic paroxysmal hemicrania NOS | |
G44.04 | Chronic paroxysmal hemicrania | |
G44.041 | Chronic paroxysmal hemicrania, intractable | |
G44.049 | Chronic paroxysmal hemicrania, not intractable | |
Info: | 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 | |
Info: | 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 | |
Excl2.: | 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 | |
Info: | Tension headache NOS | |
G44.21 | Episodic tension-type headache | |
G44.211 | Episodic tension-type headache, intractable | |
G44.219 | Episodic tension-type headache, not intractable | |
Info: | 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 | |
Info: | 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 | |
Info: | 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 | |
Info: | 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 | |
Info: | Chronic post-traumatic headache NOS | |
G44.4 | Drug-induced headache, not elsewhere classified | |
Info: | Medication overuse headache | |
Use add'l | 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 | |
Excl2.: | headache with orthostatic or positional component, not elsewhere classified (R51.0) | |
G44.81 | Hypnic headache | |
G44.82 | Headache associated with sexual activity | |
Info: | Orgasmic headache Preorgasmic headache | |
G44.83 | Primary cough headache | |
G44.84 | Primary exertional headache | |
G44.85 | Primary stabbing headache | |
G44.86 | Cervicogenic headache | |
Use add'l | associated cervical spinal condition, if known | |
G44.89 | Other headache syndrome |
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