Q31.2

Laryngeal hypoplasia

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

Inherited from Q31Congenital malformations of larynx
Excludes 1

congenital laryngeal stridor NOS (P28.89)

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 Q31.2

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

Sections that reference Q31.2

Sections whose FY 2026 text names Q31.2, its Q31 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q31.2 in the alphabetic index

5 index paths lead to this code