Q34Header code — not billable

Other congenital malformations of respiratory system

Chapter
17. Congenital malformations, deformations and chromosomal abnormalities
Category
Q34
Effective date
October 1, 2026

Related codes in category Q34

Q34.0Anomaly of pleuraYesQ34.1Congenital cyst of mediastinumYesQ34.8Oth congenital malformations of respiratory systemYesQ34.9Congenital malformation of respiratory system, unspecifiedYes

Frequently asked questions

What is ICD-10 code Q34?

Q34 is an ICD-10-CM diagnosis code for Other congenital malformations of respiratory system.

Is Q34 a billable code?

No. Q34 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is Q34 in?

Q34 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.

When did Q34 become effective?

Q34 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Q34?

Q34 belongs to category Q34, which includes 4 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.