ICD-10-CM Code G44: Other headache syndromes and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • G44 - Other headache syndromes
    • 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

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.