ICD-10-CM > G00-G99 > G40-G47 > G44 G44 Other headache syndromes Non-Billable/Non-Specific Type 1 Excludes headache NOS (R51.9) Type 2 Excludes atypical facial pain (G50.1)headache due to lumbar puncture (G97.1)migraines (G43.-)trigeminal neuralgia (G50.0) Codes G44.0Cluster headaches and other trigeminal autonomic cephalgias (TAC)G44.00Cluster headache syndrome, unspecifiedG44.001Cluster headache syndrome, unspecified, intractableG44.009Cluster headache syndrome, unspecified, not intractableG44.01Episodic cluster headacheG44.011Episodic cluster headache, intractableG44.019Episodic cluster headache, not intractableG44.02Chronic cluster headacheG44.021Chronic cluster headache, intractableG44.029Chronic cluster headache, not intractableG44.03Episodic paroxysmal hemicraniaG44.031Episodic paroxysmal hemicrania, intractableG44.039Episodic paroxysmal hemicrania, not intractableG44.04Chronic paroxysmal hemicraniaG44.041Chronic paroxysmal hemicrania, intractableG44.049Chronic paroxysmal hemicrania, not intractableG44.05Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)G44.051Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractableG44.059Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractableG44.09Other trigeminal autonomic cephalgias (TAC)G44.091Other trigeminal autonomic cephalgias (TAC), intractableG44.099Other trigeminal autonomic cephalgias (TAC), not intractableG44.1Vascular headache, not elsewhere classifiedG44.2Tension-type headacheG44.20Tension-type headache, unspecifiedG44.201Tension-type headache, unspecified, intractableG44.209Tension-type headache, unspecified, not intractableG44.21Episodic tension-type headacheG44.211Episodic tension-type headache, intractableG44.219Episodic tension-type headache, not intractableG44.22Chronic tension-type headacheG44.221Chronic tension-type headache, intractableG44.229Chronic tension-type headache, not intractableG44.3Post-traumatic headacheG44.30Post-traumatic headache, unspecifiedG44.301Post-traumatic headache, unspecified, intractableG44.309Post-traumatic headache, unspecified, not intractableG44.31Acute post-traumatic headacheG44.311Acute post-traumatic headache, intractableG44.319Acute post-traumatic headache, not intractableG44.32Chronic post-traumatic headacheG44.321Chronic post-traumatic headache, intractableG44.329Chronic post-traumatic headache, not intractableG44.4Drug-induced headache, not elsewhere classifiedG44.40Drug-induced headache, not elsewhere classified, not intractableG44.41Drug-induced headache, not elsewhere classified, intractableG44.5Complicated headache syndromesG44.51Hemicrania continuaG44.52New daily persistent headache (NDPH)G44.53Primary thunderclap headacheG44.59Other complicated headache syndromeG44.8Other specified headache syndromesG44.81Hypnic headacheG44.82Headache associated with sexual activityG44.83Primary cough headacheG44.84Primary exertional headacheG44.85Primary stabbing headacheG44.86Cervicogenic headacheG44.89Other headache syndrome
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