ICD-10-CM › Q00-QA1 › Q30-Q34 › Q30 Congenital malformations of nose › Q30.1
Agenesis and underdevelopment of nose
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 Agenesis and underdevelopment of nose
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 Q30 Congenital malformations of nose
Excludes1 - never coded here
- congenital deviation of nasal septum (Q67.4)
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.
- Stump
- Aplasia
- Missing
- Immature
- Amputation
- Rudimentary
- Disarticulation
- Underdevelopment
- Loss > organ or part
- Absence > toe > with foot
- Prematurity NEC > extreme
- Undeveloped, undevelopment
- Birth > immature > extremely
- Immature > birth > extremely
- Premature > newborn > extreme
- Immaturity > organ or site NEC
- Absence > congenital > organ or site NEC
- Unilateral > organ or site, congenital NEC
- Nondevelopment > organ or site, congenital NEC
- Development > incomplete > organ or site not listed
- Absence > nose
- Agenesis > nose
- Underdevelopment > nose
- Hypoplasia, hypoplastic > nose, nasal
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q30.0 | Choanal atresia | Valid |
| Q30.2 | Fissured, notched and cleft nose | Valid |
| Q30.3 | Congenital perforated nasal septum | Valid |
| Q30.8 | Other congenital malformations of nose | Valid |
| Q30.9 | Congenital malformation of nose, unspecified | Valid |