Specific code 2014 ICD-9-CM Diagnosis Code 422.99
Other acute myocarditis
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • Short description: Acute myocarditis NEC.
  • ICD-9-CM 422.99 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 422.99 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).
  • You are viewing the 2014 version of ICD-9-CM 422.99.
  • More recent version(s) of ICD-9-CM 422.99: 2015.
Convert to ICD-10-CM: 422.99 converts approximately to:
  • 2015/16 ICD-10-CM I40.8 Other acute myocarditis
ICD-9-CM Volume 2 Index entries containing back-references to 422.99:
  • Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0
    • acute or subacute (interstitial) 422.90
      • due to Streptococcus (beta-hemolytic) 391.2
      • idiopathic 422.91
      • rheumatic 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • specified type NEC 422.99
    • malignant 422.99
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 422.99 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.