Specific code 2014 ICD-9-CM Diagnosis Code 358.01
Myasthenia gravis with (acute) exacerbation
  • Billable Code
  • Short description: Myasthna gravs w ac exac.
  • ICD-9-CM 358.01 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 358.01 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Myasthenia gravis w exacerbation
  • Myasthenia gravis with exacerbation
  • Myasthenia gravis without exacerbation (disorder)
Applies To
  • Myasthenia gravis in crisis
Convert to ICD-10-CM: 358.01 converts directly to:
  • 2014 ICD-10-CM G70.01 Myasthenia gravis with (acute) exacerbation
ICD-9-CM Volume 2 Index entries containing back-references to 358.01:
  • Myasthenia 358.00
    • gravis 358.00
      • with exacerbation (acute) 358.01
      • in crisis 358.01
      • neonatal 775.2
      • pseudoparalytica 358.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 358.01 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.