Q30.1

Agenesis and underdevelopment of nose

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q30.1
Synonyms

Congenital absent of nose

Inherited from Q30Congenital malformations of nose
Excludes 1

congenital deviation of nasal septum (Q67.4)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q30.1

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q30.1

Sections whose FY 2026 text names Q30.1, its Q30 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q30.1 in the alphabetic index

4 index paths lead to this code