ICD-10-CM › I00-I99 › I30-I5A › I44 Atrioventricular and left... › I44.7
I44.7
Left bundle-branch block, unspecified
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 Left bundle-branch block, unspecified
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.
- Bundle > branch block
- Block, blocked > bundle-branch > left
- Block, blocked > bundle-branch > left > incomplete
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I44.0 | Atrioventricular block, first degree | Valid |
| I44.1 | Atrioventricular block, second degree | Valid |
| I44.2 | Atrioventricular block, complete | Valid |
| I44.3 | Other and unspecified atrioventricular block | Not billable |
| I44.4 | Left anterior fascicular block | Valid |
| I44.5 | Left posterior fascicular block | Valid |
| I44.6 | Other and unspecified fascicular block | Not billable |