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4 Nonspecific intraventricular block
- Bundle-branch block NOS
- I45.5 Other specified heart block
- Sinoatrial block
- Sinoauricular block
- Excludes1: heart block NOS (I45.9)
- I45.6 Pre-excitation syndrome
- Accelerated atrioventricular conduction
- Accessory atrioventricular conduction
- Anomalous atrioventricular excitation
- Lown-Ganong-Levine syndrome
- Pre-excitation atrioventricular conduction
- Wolff-Parkinson-White syndrome
- I45.8 Other specified conduction disorders
- I45.81 Long QT syndrome
- I45.89 Other specified conduction disorders
- Atrioventricular [AV] dissociation
- Interference dissociation
- Isorhythmic dissociation
- Nonparoxysmal AV nodal tachycardia
- I45.9 Conduction disorder, unspecified
- Heart block NOS
- Stokes-Adams syndrome
I46 Cardiac arrest
- Excludes1: cardiogenic shock (R57.0)
- I46.2 Cardiac arrest due to underlying cardiac condition
- Code first underlying cardiac condition
- I46.8 Cardiac arrest due to other underlying condition
- Code first underlying condition
- I46.9 Cardiac arrest, cause unspecified
I47 Paroxysmal tachycardia
- Code first tachycardia complicating:
- abortion or ectopic or molar pregnancy (O00-O07, O08.8)
- obstetric surgery and procedures (O75.4)
- Excludes1: tachycardia:
- NOS (R00.0)
- sinoauricular NOS (R00.0)
- sinus [sinusal] NOS (R00.0)
- I47.0 Re-entry ventricular arrhythmia
- I47.1 Supraventricular tachycardia
- Atrial paroxysmal tachycardia
- Atrioventricular [AV] paroxysmal tachycardia
- Junctional paroxysmal tachycardia
- Nodal paroxysmal tachycardia
- I47.2 Ventricular tachycardia
- I47.
