J98.11 Atelectasis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• newborn atelectasis
• tuberculous atelectasis (current disease) (A15)

Applies from J98 Other respiratory disorders

Excludes1 (never code together)

• newborn apnea (P28.4-)
• newborn sleep apnea (P28.3-)

Excludes2 (not included here)

• apnea NOS (R06.81)
• sleep apnea (G47.3-)

Use additional code

• code to identify:
• exposure to environmental tobacco smoke (Z77.22)
• exposure to tobacco smoke in the perinatal period (P96.81)
• history of tobacco dependence (Z87.891)
• occupational exposure to environmental tobacco smoke (Z57.31)
• tobacco dependence (F17.-)
• tobacco use (Z72.0)

Applies from J98.1 Pulmonary collapse

Excludes1 (never code together)

• therapeutic collapse of lung status (Z98.3)

MS-DRG index

Defines the logic of DRG(s) 205-206 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 518.0 Pulmonary collapse (approximate)

Diagnosis Index entries for J98.11

• Atelectasis (massive) (partial) (pressure) (pulmonary)
• Right middle lobe syndrome
• Syndrome › Brock's

Nearby codes

• J98 Other respiratory disorders
• J98.0 Diseases of bronchus, not elsewhere classified
• J98.01 Acute bronchospasm
• J98.09 Other diseases of bronchus, not elsewhere classified
• J98.1 Pulmonary collapse
• J98.11 Atelectasis (this code)
• J98.19 Other pulmonary collapse
• J98.2 Interstitial emphysema
• J98.3 Compensatory emphysema
• J98.4 Other disorders of lung
• J98.5 Diseases of mediastinum, not elsewhere classified