Neurology · ICD-10-CM

Neurology ICD-10 codes.

The 26 diagnosis codes a neurology practice's callers bring most often, as published in the 2025 ICD-10-CM files.

2025 files

Right, left, bilateral and initial-encounter characters change the code; unspecified codes are denied where a specific one exists.

The codes.

ICD-10-CM codes as published in the 2025 files. Laterality, encounter and severity characters change a code's meaning; the practice's coder confirms every code against the current file.

Neurology ICD-10-CM codes
ICD-10-CMDescription
G43.909Migraine, unspecified, not intractable, without status migrainosus
G43.009Migraine without aura, not intractable, without status migrainosus
G43.719Chronic migraine without aura, intractable, without status migrainosus
G44.209Tension-type headache, unspecified, not intractable
R51.9Headache, unspecified
G40.909Epilepsy, unspecified, not intractable, without status epilepticus
G40.919Epilepsy, unspecified, intractable, without status epilepticus
R56.9Unspecified convulsions
G20.A1Parkinson's disease without dyskinesia, without mention of fluctuations
G25.0Essential tremor
R25.1Tremor, unspecified
G30.9Alzheimer's disease, unspecified
G31.84Mild cognitive impairment of uncertain or unknown etiology
R41.3Other amnesia (memory loss)
G35Multiple sclerosis
G62.9Polyneuropathy, unspecified
G56.01Carpal tunnel syndrome, right upper limb
R20.2Paresthesia of skin
I63.9Cerebral infarction, unspecified
G45.9Transient cerebral ischemic attack, unspecified
Z86.73Personal history of transient ischemic attack and cerebral infarction without residual deficits
G51.0Bell's palsy
G70.00Myasthenia gravis without (acute) exacerbation
G25.81Restless legs syndrome
G47.00Insomnia, unspecified
R42Dizziness and giddiness

CPT codes and wRVUsGlobal periodsAll neurology references

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