Specific code 2009 ICD-9-CM Diagnosis Code 426.12
Mobitz (type) ii atrioventricular block
  • Short description: ATRIOVEN BLOCK-MOBITZ II.
  • ICD-9-CM 426.12 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 426.12 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 2009 version of ICD-9-CM 426.12.
  • More recent version(s) of ICD-9-CM 426.12: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 426.12 converts approximately to:
  • 2015/16 ICD-10-CM I44.1 Atrioventricular block, second degree
Approximate Synonyms
  • Atrioventricular block, Mobitz type 2
  • AV block, Mobitz type 2
  • Mobitz type II atrioventricular block
Applies To
  • Incomplete atrioventricular block:
    • Mobitz (type) II
    • second degree, Mobitz (type) II
ICD-9-CM Volume 2 Index entries containing back-references to 426.12:
  • Block
    • atrioventricular (AV) (incomplete) (partial) 426.10
      • with
      • 2:1 atrioventricular response block 426.13
        • atrioventricular dissociation 426.0
      • first degree (incomplete) 426.11
      • second degree (Mobitz type I) 426.13
        • Mobitz (type II) 426.12
      • third degree 426.0
      • complete 426.0
      • congenital 746.86
      • Mobitz (incomplete)
        • type I (Wenckebach's) 426.13
        • type II 426.12
      • partial 426.13
  • Mobitz heart block (atrioventricular) 426.10
    • type II 426.12
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 426.12 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.