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ALL MEDICAL CODES IN CATEGORY Diseases of the nervous system
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 G02
Meningitis due to other infectious and parasitic diseases classified elsewhere. This code should be used in conjunction with a code for the underlying disease.
2025 ICD-10-CM code G40.80
Other specified epilepsy not elsewhere classified.
2025 ICD-10-CM code G71
Primary disorders of muscles
2025 ICD-10-CM code G40.834
Dravet syndrome, intractable, without status epilepticus.
2025 ICD-10-CM code G57.82
Other specified mononeuropathies of the left lower limb. This refers to damage to a single nerve in the left lower extremity, excluding common conditions like sciatica or femoral neuropathy.
2025 ICD-10-CM code G43.B0
Ophthalmoplegic migraine without aura, not intractable.
2025 ICD-10-CM code G54.9
Unspecified nerve root and plexus disorder. This code indicates a disorder affecting the nerve roots or plexus without further specification.
2025 ICD-10-CM code G71.038
Other limb girdle muscular dystrophy (LGMD). This includes LGMD R9 (FKRP-related LGMD), R22 (collagen 6-related), Limb girdle muscular dystrophy due to fukutin related protein dysfunction, and Limb girdle muscular dystrophy type 2I.
2025 ICD-10-CM code G56.8
Other specified mononeuropathies of the upper limb. This includes conditions like interdigital neuroma of the upper limb.
2025 ICD-10-CM code G56.20
Lesion of the ulnar nerve, unspecified upper limb.
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 G71.0
Muscular dystrophy. This is a genetic disorder characterized by progressive muscle weakness and degeneration.
2025 ICD-10-CM code G43.509
Persistent migraine aura without cerebral infarction, not intractable, without status migrainosus.
2025 ICD-10-CM code G56.1
Other lesions of the median nerve, excluding carpal tunnel syndrome.
2025 ICD-10-CM code G96.09
Other spinal cerebrospinal fluid leak.This code is used to report cerebrospinal fluid leaks originating in the spine due to trauma or surgery.
2025 ICD-10-CM code G56.81
Other specified mononeuropathies of the right upper limb; nerve damage to a single nerve in the right arm causing numbness, pain, or weakness.
2025 ICD-10-CM code G46.1
Anterior cerebral artery syndrome is a neurological condition characterized by reduced blood flow to the front part of the brain.
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 G62.81
Critical illness polyneuropathy.Also known as acute motor neuropathy.
2025 ICD-10-CM code G83.82
Anterior cord syndrome. This syndrome is characterized by loss of motor function and sensation below the level of injury to the anterior spinal cord.
2025 ICD-10-CM code G54.8
This code is used to classify nerve disorders affecting the nerve root or plexus, not otherwise specified.
2025 ICD-10-CM code G44.329
Chronic post-traumatic headache, not intractable. This condition refers to a headache that develops within seven days of a traumatic brain injury or after regaining consciousness, lasts for more than three months, and responds to treatment.
2025 ICD-10-CM code G56.11
Other lesions of the median nerve in the right upper limb.
2025 ICD-10-CM code G44.029
Chronic cluster headache, not intractable;headaches lasting more than a year with or without remission periods less than a month.
2025 ICD-10-CM code G45.0
Vertebrobasilar artery syndrome is a neurological condition characterized by brief episodes of reduced blood flow in the vertebral and basilar arteries, leading to various neurological symptoms.
2025 ICD-10-CM code G43.D
Abdominal migraine is a type of migraine characterized by recurring episodes of moderate to severe abdominal pain, typically lasting 1-72 hours, without head pain.
2025 ICD-10-CM code G25.89
This code represents other specified extrapyramidal and movement disorders, encompassing conditions not captured by more specific codes within the category.
2025 ICD-10-CM code G25.70
Drug-induced movement disorder, unspecified. This diagnosis is used when a provider identifies a movement disorder caused by medication, but does not specify the type of movement disorder.
2025 ICD-10-CM code G36.8
A disorder affecting the myelin sheath of nerves in the brain, optic nerve, and spinal cord. This code represents a specific type of acute disseminated demyelination not otherwise specified.
2025 ICD-10-CM code G40.811
Lennox-Gastaut syndrome, not intractable, with status epilepticus.
2025 ICD-10-CM code G32
Other degenerative disorders of the nervous system in diseases classified elsewhere.
2025 ICD-10-CM code G30.9
Alzheimer's disease, unspecified. This code is used when the type of Alzheimer's disease (early-onset, late-onset, or other) is not specified by the provider.
2025 ICD-10-CM code G25.79
This code signifies drug-induced movement disorders not categorized elsewhere.
2025 ICD-10-CM code G36
Other acute disseminated demyelination. This encompasses conditions affecting the myelin sheath of nerves in the brain, optic nerve, and spinal cord, not classified elsewhere.
2025 ICD-10-CM code G31.85
Corticobasal degeneration (CBD) is a rare, progressive neurodegenerative disorder characterized by nerve cell damage and atrophy of the cerebral cortex and basal ganglia.
2025 ICD-10-CM code G40.01
Intractable focal epilepsy with localized onset seizures.
2025 ICD-10-CM code G37.2
Central pontine myelinolysis is a neurological disorder characterized by damage to the myelin sheath of nerve cells in the pons (part of the brainstem), typically due to severe or prolonged hyponatremia, often after rapid correction of sodium levels.
2025 ICD-10-CM code G25.8
Other specified extrapyramidal and movement disorders. This encompasses conditions not classified under other codes in the G20-G26 range.
2025 ICD-10-CM code G25.5
Other chorea.A movement disorder characterized by irregular, involuntary, erratic movements.
2025 ICD-10-CM code G25.82
Stiff-man syndrome, a rare neurological disorder characterized by muscle rigidity, primarily affecting axial muscles and sometimes proximal limb muscles. It is often associated with painful muscle spasms that can cause injuries like fractures.
2025 ICD-10-CM code G37.0
Diffuse sclerosis of the central nervous system.Includes periaxial encephalitis and Schilder's disease.
2025 ICD-10-CM code G31.9
Unspecified degenerative disease of the nervous system.
2025 ICD-10-CM code G37.5
Concentric sclerosis [Balo] of central nervous system. This is a rare demyelinating disease characterized by concentric rings of damaged myelin in the brain.
2025 ICD-10-CM code G37
Other demyelinating diseases of the central nervous system.
2025 ICD-10-CM code G40.814
Lennox-Gastaut syndrome, intractable, without status epilepticus. This is a severe form of childhood epilepsy characterized by frequent seizures of different types, cognitive impairment, and specific EEG patterns.The seizures are resistant to treatment and do not involve status epilepticus (continuous seizures or repeated seizures without regaining consciousness).
2025 ICD-10-CM code G24.09
Other drug-induced dystonia. This is a condition characterized by involuntary muscle contractions and spasms caused by medications other than neuroleptics.
2025 ICD-10-CM code G24.3
Spasmodic torticollis
2025 ICD-10-CM code G24.0
Drug-induced dystonia. Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
2025 ICD-10-CM code G24
Dystonia. Includes: dyskinesia
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