J85.1 Abscess of lung with pneumonia

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

Code also

• the type of pneumonia

Applies from J85 Abscess of lung and mediastinum

Use additional code

• code (B95-B97) to identify infectious agent.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 283 — Empyema, Lung Abscess
• CMS-HCC V22: HCC 115 — Pneumococcal Pneumonia, Empyema, Lung Abscess
• ESRD V24: HCC 115

MS-DRG index

Defines the logic of DRG(s) 177-179 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 513.0 Abscess of lung (approximate)

Code annotations containing back-references to J85.1

Back-references to J85.1

• Code Also: J09.X1 Influenza due to identified novel influenza A virus with pneumonia ("lung abscess (J85.1)")
• Code Also: J10.0 Influenza due to other identified influenza virus with pneumonia ("associated lung abscess, if applicable (J85.1)")
• Code Also: J11.0 Influenza due to unidentified influenza virus with pneumonia ("associated lung abscess, if applicable (J85.1)")
• Code Also: J12 Viral pneumonia, not elsewhere classified ("associated abscess, if applicable (J85.1)")
• Code Also: J13 Pneumonia due to Streptococcus pneumoniae ("abscess (J85.1)")
• Code Also: J14 Pneumonia due to Hemophilus influenzae ("abscess (J85.1)")
• Code Also: J15 Bacterial pneumonia, not elsewhere classified ("abscess (J85.1)")
• Code Also: J16 Pneumonia due to other infectious organisms, not elsewhere classified ("abscess (J85.1)")
• Code Also: J17 Pneumonia in diseases classified elsewhere ("abscess (J85.1)")
• Type 2 Excludes: J18 Pneumonia, unspecified organism ("abscess of lung with pneumonia (J85.1)")

Back-references to J85

• Code First: I76 Septic arterial embolism ("lung abscess (J85.-)")
• Type 1 Excludes: J86 Pyothorax ("abscess of lung (J85.-)")

Diagnosis Index entries for J85.1

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › lung (miliary) (putrid) › with pneumonia
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › with › lung abscess

Nearby codes

• J85 Abscess of lung and mediastinum
• J85.0 Gangrene and necrosis of lung
• J85.1 Abscess of lung with pneumonia (this code)
• J85.2 Abscess of lung without pneumonia
• J85.3 Abscess of mediastinum