1. I47 Paroxysmal tachycardia

    1. I47.0 Re-entry ventricular arrhythmia

    2. I47.1 Supraventricular tachycardia

      1. I47.10 Supraventricular tachycardia, unspecified

      2. I47.11 Inappropriate sinus tachycardia, so stated

        Inclusion term(s):

        • IST
      3. I47.19 Other supraventricular tachycardia

        Inclusion term(s):

        • Atrial (paroxysmal) tachycardia
        • Atrioventricular [AV] (paroxysmal) tachycardia
        • Atrioventricular re-entrant (nodal) tachycardia [AVNRT] [AVRT]
        • Junctional (paroxysmal) tachycardia
        • Nodal (paroxysmal) tachycardia
    3. I47.2 Ventricular tachycardia

      1. I47.20 Ventricular tachycardia, unspecified

      2. I47.21 Torsades de pointes

      3. I47.29 Other ventricular tachycardia

    4. I47.9 Paroxysmal tachycardia, unspecified

      Inclusion term(s):

      • Bouveret (-Hoffman) syndrome
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.