Billing and Coding


The AAN is dedicated to help you understand ICD-10-CM, the system used by US physicians to classify and code diagnosis and symptoms.

AAN Tools


Access crosswalks of commonly reported neurologic ICD-9-CM diagnosis codes translated to ICD-10-CM codes including:

  • Sleep apnea
  • Alzheimer's disease
  • Essential tremor
  • Multiple sclerosis
  • Migraine
  • Peripheral neuropathy
  • Muscular dystrophy
  • Benign paroxysmal positional vertigo
  • Syncope
  • Headache

View AAN developed Epilepsy crosswalks of ICD-9-CM codes translated to ICD-10-CM codes.