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426.82 LONG QT SYNDROME


Code Information

Diagnosis Code: 426.82

Short Description: Long QT syndrome

Long Description: Long QT syndrome

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Other forms of heart disease (420-429)
      • 426 Conduction disorders
        • 426.82 Long QT syndrome

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 426.82 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Jervell-Lange-Nielsen syndrome 426.82
  • Prolonged, prolongation
    • QT interval 794.31
      • syndrome 426.82
  • Romano-Ward syndrome (prolonged QT interval syndrome) 426.82
  • Syndrome - see also Disease
    • Jervell-Lange-Nielsen 426.82
    • QT interval prolongation 426.82
    • Romano-Ward (prolonged QT interval syndrome) 426.82

Crosswalk Information

The code 426.82 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
426.82 Right Arrow I45.81 Long QT syndrome
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
426.0 Atrioventricular block, complete
426.10 Atrioventricular block, unspecified
426.11 First degree atrioventricular block
426.12 Mobitz (type) II atrioventricular block
426.13 Other second degree atrioventricular block
426.2 Left bundle branch hemiblock
426.3 Other left bundle branch block
426.4 Right bundle branch block
426.50 Bundle branch block, unspecified
426.51 Right bundle branch block and left posterior fascicular block
426.52 Right bundle branch block and left anterior fascicular block
426.53 Other bilateral bundle branch block
426.54 Trifascicular block
426.6 Other heart block
426.7 Anomalous atrioventricular excitation
426.81 Lown-Ganong-Levine syndrome
426.89 Other specified conduction disorders
426.9 Conduction disorder, unspecified

This page was last updated on: 10/1/2014

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