ICD-10 Code for Atelectasis

Also indexed as (massive) (partial) (pressure) (pulmonary)

The ICD-10-CM code for atelectasis is J98.11 — Atelectasis. This is the code the Alphabetic Index gives for atelectasis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which atelectasis code should you use?

The Alphabetic Index lists 5 codes under Atelectasis. 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

newborn	P28.10	Unspecified atelectasis of newborn
primary	P28.0	Primary atelectasis of newborn

Atelectasis newborn

due to resorption	P28.11	Resorption atelectasis without respiratory distress syndrome
partial	P28.19	Other atelectasis of newborn
primary	P28.0	Primary atelectasis of newborn
secondary	P28.19	Other atelectasis of newborn

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