ICD-10 Code for Tracheobronchomegaly

The ICD-10-CM code for tracheobronchomegaly is Q32.4 — Other congenital malformations of bronchus. This is the code the Alphabetic Index gives for tracheobronchomegaly with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which tracheobronchomegaly code should you use?

The Alphabetic Index lists 5 codes under Tracheobronchomegaly. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

with bronchiectasis	J47.9	Bronchiectasis, uncomplicated
acquired	J98.09	Other diseases of bronchus, not elsewhere classified

Tracheobronchomegaly acquired

with bronchiectasis	J47.9	Bronchiectasis, uncomplicated
with bronchiectasis › with › exacerbation	J47.1	Bronchiectasis with (acute) exacerbation
with bronchiectasis › with › lower respiratory infection	J47.0	Bronchiectasis with acute lower respiratory infection

Tracheobronchomegaly with bronchiectasis

with › exacerbation	J47.1	Bronchiectasis with (acute) exacerbation
with › lower respiratory infection	J47.0	Bronchiectasis with acute lower respiratory infection

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources