Q30.0 – Choanal atresia
ICD-10-CM 2027 diagnosis code · Congenital malformations of the respiratory system
ICD-10-CM code
Q30.0
- Code
Q30.0(claims format:Q300)- Description
- Choanal atresia
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q30-Q34 Congenital malformations of the respiratory system
- Parent codes
- Q30
Notes for Q30.0
Applicable to:
- Atresia of nares (anterior) (posterior)
- Congenital stenosis of nares (anterior) (posterior)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q30 – Congenital malformations of nose
Excludes1 (not coded here):
- congenital deviation of nasal septum (Q67.4)
Index terms for Q30.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Closure, nose
- Fusion, fused, choanal
- Atresia, atretic, nares
- Atresia, atretic, choana
- Closure, congenital, nose
- Stricture, nose, congenital
- Occlusion, occluded, choanal
- Stricture, nares, congenital
- Stricture, nostril, congenital
- Atresia, atretic, nose, nostril
- Occlusion, occluded, nose, congenital
- Stenosis, stenotic, nares, congenital
- Fusion, fused, nares, nose, nasal, nostril
Related codes in Q30
Frequently asked questions
What is ICD-10 code Q30.0?
Q30.0 is the ICD-10-CM code for choanal atresia, in the block Q30-Q34 (Congenital malformations of the respiratory system).
Is Q30.0 a billable code?
Yes. Q30.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q30.0 belong to?
It belongs to category Q30 – Congenital malformations of nose.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.