ICD-10-CM › I00-I99 › I30-I5A › I44 Atrioventricular and left... › I44.4
I44.4
Left anterior fascicular block
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 anterior fascicular block
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 > fascicular > anterior
- Block, blocked > bundle-branch > left > hemiblock > anterior
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 |
| I44.5 | Left posterior fascicular block | Valid |
| I44.6 | Other and unspecified fascicular block | Not billable |
| I44.7 | Left bundle-branch block, unspecified | Valid |