Home > 2006 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > Conduction disorders 426-
Specific code 2006 ICD-9-CM Diagnosis Code 426.2
Left bundle branch hemiblock
  • Short description: LEFT BB HEMIBLOCK.
  • ICD-9-CM 426.2 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 426.2 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 2006 version of ICD-9-CM 426.2.
  • More recent version(s) of ICD-9-CM 426.2: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 426.2 converts approximately to:
  • 2015/16 ICD-10-CM I44.4 Left anterior fascicular block
    Or:
  • 2015/16 ICD-10-CM I44.5 Left posterior fascicular block
    Or:
  • 2015/16 ICD-10-CM I44.60 Unspecified fascicular block
    Or:
  • 2015/16 ICD-10-CM I44.69 Other fascicular block
Approximate Synonyms
  • Left anterior fascicular hemiblock
  • Left anterior fascicular hemiblock (heart rhythm)
  • Left anterior hemiblock
  • Left posterial fascicular hemiblock
  • Left posterial fascicular hemiblock (heart rhythm)
  • Left posterior fascicular hemiblock
  • Left posterior hemiblock
Applies To
  • Block:
    • left anterior fascicular
    • left posterior fascicular
ICD-9-CM Volume 2 Index entries containing back-references to 426.2:
  • Block
    • bundle branch (complete) (false) (incomplete) 426.50
      • bilateral 426.53
      • left (complete) (main stem) 426.3
        • with right bundle branch block 426.53
        • anterior fascicular 426.2
          • with
            • posterior fascicular block 426.3
            • right bundle branch block 426.52
        • hemiblock 426.2
        • incomplete 426.2
          • with right bundle branch block 426.53
        • posterior fascicular 426.2
          • with
            • anterior fascicular block 426.3
            • right bundle branch block 426.51
      • right 426.4
      • Wilson's type 426.4
    • fascicular (left anterior) (left posterior) 426.2
  • Bundle
    • branch block (complete) (false) (incomplete) 426.50
      • bilateral 426.53
      • left (see also Block, bundle branch, left) 426.3
        • hemiblock 426.2
      • right (see also Block, bundle branch, right) 426.4
  • Hemiblock (cardiac) (heart) (left) 426.2
 426.13 ICD9Data.com 426.3 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 426.2 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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