Specific code 2015 ICD-9-CM Diagnosis Code 062.1
Western equine encephalitis
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 062.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 062.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 062.1 converts directly to:
  • 2015/16 ICD-10-CM A83.1 Western equine encephalitis
Clinical Information
  • Form of arboviral encephalitis which primarily affects horses, endemic to western and central north america; the virus may be transferred to humans via mosquito bite; clinical manifestations include headache and influenza-like symptoms followed by alterations in mentation, seizures and coma; survivors may be left with residual neurologic dysfunction
ICD-9-CM Volume 2 Index entries containing back-references to 062.1:
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
    • equine (acute) (infectious) (viral) 062.9
    • Western equine 062.1
  • Encephalomyelitis (chronic) (granulomatous) (myalgic, benign) (see also Encephalitis) 323.9
    • equine (acute) (infectious) 062.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 062.1 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.