ICD-10-CM › Q00-QA1 › Q20-Q28 › Q23 Congenital malformations of aortic... › Q23.1
Q23.1
Congenital insufficiency of aortic valve
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 Congenital insufficiency of aortic valve
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.
- Cleft
- Extra
- Fused
- Patent
- Trifid
- Triple
- Window
- Aplasia
- Aberrant
- Immature
- Patulous
- Abnormity
- Asymmetry
- Dysplasia
- Additional
- Lobulation
- Nonclosure
- Nondescent
- Fold, folds
- Rudimentary
- Undescended
- Malformation
- Triplication
- Transposition
- Birth > defect
- Maldevelopment
- Septum, septate
- Union, abnormal
- Underdevelopment
- Imperfect > fusion
- Vestige, vestigial
- Duplication, duplex
- Lesion > congenital
- Pervious, congenital
- Elongated, elongation
- Open, opening > false
- Regurgitation > aortic
- Termination > anomalous
- Heterotopia, heterotopic
- Implantation > anomalous
Showing 40 of 113 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q23.0 | Congenital stenosis of aortic valve | Valid |
| Q23.2 | Congenital mitral stenosis | Valid |
| Q23.3 | Congenital mitral insufficiency | Valid |
| Q23.4 | Hypoplastic left heart syndrome | Valid |
| Q23.8 | Other congenital malformations of aortic and mitral valves | Not billable |
| Q23.9 | Congenital malformation of aortic and mitral valves, unspecified | Valid |