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ICD-10-CM category

G44: Other headache syndromes

59 subcodes · 40 billable · Look up any code with the ICD-10 search

Codes under G44 (Other headache syndromes). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
G44.0Cluster headaches and other trigeminal autonomic cephalgias (TAC)—
G44.00Cluster headache syndrome, unspecified—
G44.001Cluster headache syndrome, unspecified, intractable✓
G44.01Episodic cluster headache—
G44.1Vascular headache, not elsewhere classified✓
G44.02Chronic cluster headache—
G44.2Tension-type headache—
G44.03Episodic paroxysmal hemicrania—
G44.3Post-traumatic headache—
G44.04Chronic paroxysmal hemicrania—
G44.4Drug-induced headache, not elsewhere classified—
G44.05Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)—
G44.5Complicated headache syndromes—
G44.8Other specified headache syndromes—
G44.009Cluster headache syndrome, unspecified, not intractable✓
G44.09Other trigeminal autonomic cephalgias (TAC)—
G44.011Episodic cluster headache, intractable✓
G44.019Episodic cluster headache, not intractable✓
G44.20Tension-type headache, unspecified—
G44.021Chronic cluster headache, intractable✓
G44.21Episodic tension-type headache—
G44.22Chronic tension-type headache—
G44.029Chronic cluster headache, not intractable✓
G44.30Post-traumatic headache, unspecified—
G44.031Episodic paroxysmal hemicrania, intractable✓
G44.31Acute post-traumatic headache—
G44.32Chronic post-traumatic headache—
G44.039Episodic paroxysmal hemicrania, not intractable✓
G44.40Drug-induced headache, not elsewhere classified, not intractable✓
G44.041Chronic paroxysmal hemicrania, intractable✓
G44.41Drug-induced headache, not elsewhere classified, intractable✓
G44.049Chronic paroxysmal hemicrania, not intractable✓
G44.051Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable✓
G44.51Hemicrania continua✓
G44.52New daily persistent headache (NDPH)✓
G44.53Primary thunderclap headache✓
G44.059Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable✓
G44.59Other complicated headache syndrome✓
G44.81Hypnic headache✓
G44.82Headache associated with sexual activity✓
G44.83Primary cough headache✓
G44.84Primary exertional headache✓
G44.85Primary stabbing headache✓
G44.86Cervicogenic headache✓
G44.89Other headache syndrome✓
G44.091Other trigeminal autonomic cephalgias (TAC), intractable✓
G44.099Other trigeminal autonomic cephalgias (TAC), not intractable✓
G44.201Tension-type headache, unspecified, intractable✓
G44.209Tension-type headache, unspecified, not intractable✓
G44.211Episodic tension-type headache, intractable✓
G44.219Episodic tension-type headache, not intractable✓
G44.221Chronic tension-type headache, intractable✓
G44.229Chronic tension-type headache, not intractable✓
G44.301Post-traumatic headache, unspecified, intractable✓
G44.309Post-traumatic headache, unspecified, not intractable✓
G44.311Acute post-traumatic headache, intractable✓
G44.319Acute post-traumatic headache, not intractable✓
G44.321Chronic post-traumatic headache, intractable✓
G44.329Chronic post-traumatic headache, not intractable✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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