Q31.8Billable

Other congenital malformations of larynx

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q31
Effective date
October 1, 2026

Related codes in category Q31

Q31Congenital malformations of larynxQ31.0Web of larynxYesQ31.1Congenital subglottic stenosisYesQ31.2Laryngeal hypoplasiaYesQ31.3LaryngoceleYesQ31.5Congenital laryngomalaciaYesQ31.9Congenital malformation of larynx, unspecifiedYes

Frequently asked questions

What is ICD-10 code Q31.8?

Q31.8 is an ICD-10-CM diagnosis code for Other congenital malformations of larynx.

Is Q31.8 a billable code?

Yes. Q31.8 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is Q31.8 in?

Q31.8 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q31.8 become effective?

Q31.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q31.8?

Q31.8 belongs to category Q31, which includes 7 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.