J82.81 Chronic eosinophilic pneumonia

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

Applicable to

• Eosinophilic pneumonia, NOS

Applies from J82 Pulmonary eosinophilia, not elsewhere classified

Excludes2 (not included here)

• pulmonary eosinophilia due to aspergillosis (B44.-)
• pulmonary eosinophilia due to drugs (J70.2-J70.4)
• pulmonary eosinophilia due to specified parasitic infection (B50-B83)
• pulmonary eosinophilia due to systemic connective tissue disorders (M30-M36)
• pulmonary infiltrate NOS (R91.8)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 280 — Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders
• CMS-HCC V22: HCC 111 — Chronic Obstructive Pulmonary Disease
• RxHCC V08: HCC 229 — Chronic Obstructive Pulmonary Disease, Bronchiectasis, and Other Asthma
• ESRD V24: HCC 111

MS-DRG index

Defines the logic of DRG(s) 196-198 in MDC 04.

Code annotations containing back-references to J82.81

Back-references to J82.81

• Code First: J93.12 Secondary spontaneous pneumothorax ("eosinophilic pneumonia (J82.81-J82.82)")

Back-references to J82

• Type 2 Excludes: D72.1 Eosinophilia ("pulmonary eosinophilia (J82.-)")

Diagnosis Index entries for J82.81

• Eosinophilia (allergic) (idiopathic) (secondary) › pulmonary NEC › chronic
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › eosinophilic
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › eosinophilic › chronic
• Pneumonitis (acute) (primary) › eosinophilic
• Pneumonitis (acute) (primary) › eosinophilic › chronic

Nearby codes

• J82 Pulmonary eosinophilia, not elsewhere classified
• J82.8 Pulmonary eosinophilia, not elsewhere classified
• J82.81 Chronic eosinophilic pneumonia (this code)
• J82.82 Acute eosinophilic pneumonia
• J82.83 Eosinophilic asthma
• J82.89 Other pulmonary eosinophilia, not elsewhere classified