DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J85 Abscess of lung and mediastinum

  • Header · not billable

J85 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

  • Necrosis, necrotic (ischemic)lung → J85.0
  • Necrosis, necrotic (ischemic)pulmonary → J85.0
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)necrotic → J85.0

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J85-J86 Suppurative and necrotic conditions of the lower respiratory tract (J85-J86)
  3. J85 Abscess of lung and mediastinum
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 4
HCC V28 codes
4
New FY2027
0
Index entries
10

Codes in J85

  1. J85.0
    Gangrene and necrosis of lung
    BillableMCC283
  2. J85.1
    Abscess of lung with pneumonia
    BillableMCC283
    Code also 1

    Code also

    • the type of pneumonia
  3. J85.2
    Abscess of lung without pneumonia
    BillableMCC283
    Inclusion terms 1

    Inclusion terms

    • Abscess of lung NOS
  4. J85.3
    Abscess of mediastinum
    BillableMCC283

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At J85

Use additional code

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

Notes that also apply

Chapter 10 instructions (Notes 1, Excludes2 9, Use additional code 7): printed on the chapter 10 page.

Index entries

  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)lung → J85.0
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)pulmonary → J85.0
  • Necrosis, necrotic (ischemic)lung → J85.0
  • Necrosis, necrotic (ischemic)pulmonary → J85.0
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)gangrenous → J85.0
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)necrotic → J85.0
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)lung (miliary) (putrid) → J85.2
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)mediastinum → J85.3
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)lung (miliary) (putrid)with pneumonia → J85.1
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)withlung abscess → J85.1

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy