ICD-10-CM › I00-I99 › I30-I5A › I49.4 Other and unspecified premature... › I49.49
Other premature depolarization
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Other premature depolarization
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from I49 Other cardiac arrhythmias
Excludes2 - not included here
- bradycardia NOS (R00.1)
- neonatal dysrhythmia (P29.1-)
- sinoatrial bradycardia (R00.1)
- sinus bradycardia (R00.1)
- vagal bradycardia (R00.1)
Code first
- cardiac arrhythmia complicating:
- abortion or ectopic or molar pregnancy (O00-O07, O08.8)
- obstetric surgery and procedures (O75.4)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Abnormal, abnormality, abnormalities > rhythm, heart
- Extrasystoles
- Beat > ectopic
- Beat > escaped, heart
- Ectopic, ectopia > beats
- Arrhythmia > extrasystolic
- Premature > contraction > heart
- Depolarization, premature > specified NEC
- Premature > contraction > auriculoventricular
- Contraction, contracture, contracted > premature > heart
- Contraction, contracture, contracted > premature > auriculoventricular
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I49.40 | Unspecified premature depolarization | Valid |