ICD-10-CM › Q00-QA1 › Q30-Q34 › Q33 Congenital malformations of lung › Q33.1
Q33.1
Accessory lobe of lung
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 Accessory lobe of lung
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.
- Extra
- Trifid
- Triple
- Additional
- Triplication
- Reduplication
- Duplication, duplex
- Supernumerary > organ or site not listed
- Redundant, redundancy > organ or site, congenital NEC
- Azygos > lobe
- Accessory > lung
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q33.0 | Congenital cystic lung | Valid |
| Q33.2 | Sequestration of lung | Valid |
| Q33.3 | Agenesis of lung | Valid |
| Q33.4 | Congenital bronchiectasis | Valid |
| Q33.5 | Ectopic tissue in lung | Valid |
| Q33.6 | Congenital hypoplasia and dysplasia of lung | Valid |
| Q33.8 | Other congenital malformations of lung | Valid |
| Q33.9 | Congenital malformation of lung, unspecified | Valid |