Specific code 2012 ICD-9-CM Diagnosis Code 341.20
Acute (transverse) myelitis NOS
  • Short description: Acute myelitis NOS.
  • ICD-9-CM 341.20 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 341.20 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 341.20.
  • More recent version(s) of ICD-9-CM 341.20: 2013 2014.
Disease Synonyms
  • Acute transverse myelitis
  • Transverse myelitis, acute
Convert to ICD-10-CM: 341.20 converts approximately to:
  • 2014 ICD-10-CM G37.3 Acute transverse myelitis in demyelinating disease of central nervous system
ICD-9-CM Volume 2 Index entries containing back-references to 341.20:
  • Myelitis (ascending) (cerebellar) (childhood) (chronic) (descending) (diffuse) (disseminated) (pressure) (progressive) (spinal cord) (subacute) (see also Encephalitis) 323.9
    • acute (transverse) 341.20
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 341.20 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.