Index to Diseases and Injuries

Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle)

Index code:I49.9

block I45.9
extrasystolic I49.49
newborn
bradycardia P29.12
occurring before birth P03.819
before onset of labor P03.810
during labor P03.811
tachycardia P29.11
psychogenic F45.8
sinus I49.89
specified NEC I49.89
vagal R55
ventricular re-entry I47.0

Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What is the ICD-10-CM code for Arrhythmia?

The ICD-10-CM Alphabetic Index directs "Arrhythmia" to I49.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.

ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.