ICD-10 Code for Mounier-Kuhn syndrome

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

Billable

Which mounier-kuhn syndrome code should you use?

The Alphabetic Index lists 5 codes under Mounier-Kuhn syndrome. 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

Mounier-Kuhn syndrome with bronchiectasis

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

Mounier-Kuhn syndrome 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

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