Q30.1 – Agenesis and underdevelopment of nose

ICD-10-CM 2027 diagnosis code · Congenital malformations of the respiratory system

Billable code

ICD-10-CM code Q30.1

Code: Q30.1 (claims format: Q301)
Description: Agenesis and underdevelopment of nose
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 Q30.1

Applicable to:

Congenital absent of nose

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 Q30.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q30

Q30.0 – Choanal atresiaBillable
Q30.2 – Fissured, notched and cleft noseBillable
Q30.3 – Congenital perforated nasal septumBillable
Q30.8 – Other congenital malformations of noseBillable
Q30.9 – Congenital malformation of nose, unspecifiedBillable

Frequently asked questions

What is ICD-10 code Q30.1?

Q30.1 is the ICD-10-CM code for agenesis and underdevelopment of nose, in the block Q30-Q34 (Congenital malformations of the respiratory system).

Is Q30.1 a billable code?

Yes. Q30.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q30.1 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.