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ALL MEDICAL CODES IN CATEGORY Episodic and paroxysmal disorders (G40-G47)

2025 ICD-10-CM code G43.001

Migraine without aura, not intractable, with status migrainosus. This signifies a severe, persistent headache lasting over 72 hours, eventually responding to treatment, without preceding sensory disturbances.

2025 ICD-10-CM code G44.311

Acute post-traumatic headache, intractable. This condition involves a headache developing within 7 days of a traumatic brain injury or regaining consciousness, lasting less than 3 months, and being resistant to treatment.

2025 ICD-10-CM code G43.B0

Ophthalmoplegic migraine without aura, not intractable.

2025 ICD-10-CM code G44.22

Chronic tension-type headache.A headache occurring on 15 or more days per month for at least three months.

2025 ICD-10-CM code G43.109

Migraine with aura, not intractable, without status migrainosus; a severe, recurrent headache lasting less than 72 hours, preceded by auras (visual or sensory phenomena).

2025 ICD-10-CM code G40.5

Epileptic seizures related to external causes, such as alcohol, drugs, hormonal changes, sleep deprivation, or stress.

2025 ICD-10-CM code G44.82

Headache associated with sexual activity. This encompasses both pre-orgasmic and orgasmic headaches.

2025 ICD-10-CM code G47.50

Parasomnia, unspecified. This code is used when the provider doesn't specify the type of parasomnia.

2025 ICD-10-CM code G47.6

Sleep-related movement disorders.These disorders involve movements of the extremities and jaw during sleep, leading to sleep disruption and daytime fatigue.

2025 ICD-10-CM code G44.4

Drug-induced headache, not elsewhere classified.

2025 ICD-10-CM code G43.519

Persistent migraine aura without cerebral infarction, intractable, without status migrainosus.

2025 ICD-10-CM code G44.099

Other trigeminal autonomic cephalalgias (TACs), not intractable, are headache syndromes that respond to treatment. They are characterized by one-sided head or facial pain in the area of the trigeminal nerve, along with involuntary responses like tearing, eye redness, drooping eyelid, or sweating on the affected side.

2025 ICD-10-CM code G40.4

Other generalized epilepsy and epileptic syndromes. This encompasses various generalized epilepsy syndromes not classified elsewhere, characterized by seizures originating in both brain hemispheres simultaneously.

2025 ICD-10-CM code G44.20

Unspecified tension-type headache refers to head pain due to muscle tension in the neck or scalp. It is not specified whether the headache is episodic or chronic.

2025 ICD-10-CM code G47.3

Sleep apnea. Code also any associated underlying condition.

2025 ICD-10-CM code G45

Transient cerebral ischemic attacks and related syndromes

2025 ICD-10-CM code G43.601

Persistent migraine aura with cerebral infarction, not intractable, with status migrainosus. This involves visual or sensory disturbances (aura) before a severe, throbbing headache, lasting over 72 hours, with stroke confirmed by imaging, and responsive to treatment.

2025 ICD-10-CM code G44.03

Episodic paroxysmal hemicrania is a rare primary headache disorder characterized by frequent, short-lasting attacks of severe unilateral pain with autonomic features.

2025 ICD-10-CM code G40.9

A disorder characterized by recurrent seizures due to abnormal electrical activity in the brain, where the specific type is not documented.

2025 ICD-10-CM code G44.32

Chronic post-traumatic headache. This condition refers to headaches that develop within seven days of a head injury or regaining consciousness and persist for more than three months.

2025 ICD-10-CM code G45.8

Other transient cerebral ischemic attacks and related syndromes.Characterized by temporary loss of blood flow in the brain's arteries.

2025 ICD-10-CM code G43.711

Chronic migraine without aura, intractable, with status migrainosus.

2025 ICD-10-CM code G44.2

Tension-type headache.

2025 ICD-10-CM code G44.001

Intractable cluster headache syndrome of unspecified type.

2025 ICD-10-CM code G44.00

Cluster headache syndrome, unspecified.

2025 ICD-10-CM code G47.4

Narcolepsy with cataplexy.

2025 ICD-10-CM code G40.824

Intractable epileptic spasms without status epilepticus. This refers to repeated epileptic seizures involving sudden flexion or extension of the trunk and limb muscles. The seizures are brief but resistant to treatment.

2025 ICD-10-CM code G43.119

Intractable migraine with aura without status migrainosus.

2025 ICD-10-CM code G43

Migraine. Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).

2025 ICD-10-CM code G44.31

Acute post-traumatic headache. This headache develops within 7 days of a traumatic brain injury or after regaining consciousness and lasts less than three months.

2025 ICD-10-CM code G40.90

A form of epilepsy that is not intractable, meaning the seizures can be controlled with treatment. The specific type of epilepsy is not specified.

2025 ICD-10-CM code G43.71

Chronic migraine without aura, intractable.

2025 ICD-10-CM code G43.D0

Abdominal migraine, not intractable. This condition involves episodes of moderate to severe abdominal pain, responsive to treatment.

2025 ICD-10-CM code G45.9

Transient cerebral ischemic attack, unspecified.

2025 ICD-10-CM code G47.1

Hypersomnia. This condition is characterized by excessive daytime sleepiness, even after long periods of sleep.

2025 ICD-10-CM code G47.14

Hypersomnia due to a medical condition. This condition involves excessive sleepiness and difficulty staying awake due to an underlying medical issue.

2025 ICD-10-CM code G44.05

Short-lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT).

2025 ICD-10-CM code G43.90

Migraine, unspecified, not intractable. This code signifies a migraine that doesn't meet the criteria for intractable migraine, and the specific type is not documented.

2025 ICD-10-CM code G46.6

Pure sensory lacunar syndrome. This syndrome involves small lesions deep within the brain (thalamus) causing temporary numbness or sensory loss on one side of the body.

2025 ICD-10-CM code G44.3

Post-traumatic headache. This condition refers to a headache that develops within seven days of a head injury or after regaining consciousness.

2025 ICD-10-CM code G43.10

Migraine with aura, not intractable. This signifies a migraine headache preceded by sensory disturbances like visual auras, but responsive to treatment.

2025 ICD-10-CM code G43.709

Chronic migraine without aura, not intractable, without status migrainosus. This signifies recurring severe headaches, occurring 15 or more days a month for 3 months, with at least 8 headaches meeting migraine criteria, lasting less than 72 hours, responsive to treatment, and not associated with aura.

2025 ICD-10-CM code G43.409

Hemiplegic migraine, not intractable, without status migrainosus. This is a rare migraine variant characterized by temporary hemiplegia (paralysis on one side of the body) along with other aura symptoms prior to headache.

2025 ICD-10-CM code G47.20

Unspecified circadian rhythm sleep disorder. Disruption of normal sleep patterns affecting daily life.

2025 ICD-10-CM code G43.909

Migraine, unspecified, not intractable, without status migrainosus. This refers to a severe, recurrent headache, typically lasting less than 72 hours and responsive to treatment, often accompanied by nausea, vomiting, and sensitivity to light.

2025 ICD-10-CM code G43.A

Cyclical vomiting associated with migraine.

2025 ICD-10-CM code G40.B

Juvenile myoclonic epilepsy [impulsive petit mal]

2025 ICD-10-CM code G44.5

Complicated headache syndromes. These are severe and persistent headache disorders that are difficult to diagnose and treat, often with additional symptoms.

2025 ICD-10-CM code G43.91

Unspecified intractable migraine. This signifies a severe, recurring headache, typically one-sided, that doesn't respond to treatment.

2025 ICD-10-CM code G40.A0

Absence epileptic syndrome, not intractable. This refers to a type of seizure characterized by brief staring spells and loss of awareness, responsive to treatment.