All ICD10 Codes

Q31

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Congenital malformations of larynx

Use a more specific code (7 billable)
Q31.0Web of larynxQ31.1Congenital subglottic stenosisQ31.2Laryngeal hypoplasiaQ31.3LaryngoceleQ31.5Congenital laryngomalaciaQ31.8Other congenital malformations of larynxQ31.9Congenital malformation of larynx, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • congenital laryngeal stridor NOS (P28.89)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q30-Q34Congenital malformations of the respiratory system (Q30-Q34)
Q31Congenital malformations of larynxNot billable
Q31.0Web of larynxBillable
Q31.1Congenital subglottic stenosisBillable
Q31.2Laryngeal hypoplasiaBillable
Q31.3LaryngoceleBillable
Q31.5Congenital laryngomalaciaBillable
Q31.8Other congenital malformations of larynxBillable
Q31.9Congenital malformation of larynx, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q31:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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