DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J93 Pneumothorax and air leak

  • Header · not billable

J93 is not billable. The category heads 7 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

  • Pneumothorax NOS → J93.9
  • Tensionpneumothorax → J93.0
  • Leak, leakageair NEC → J93.82

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J90-J94 Other diseases of the pleura (J90-J94)
  3. J93 Pneumothorax and air leak
Billable codes
7
Subdivisions
4
CC / MCC codes
6 / 1
HCC V28 codes
0
New FY2027
0
Index entries
13

Codes in J93

  1. J93.0
    Spontaneous tension pneumothorax
    BillableMCC
  2. J93.1
    Other spontaneous pneumothorax
    Header
  3. J93.11
    Primary spontaneous pneumothorax
    BillableCC
  4. J93.12
    Secondary spontaneous pneumothorax
    BillableCC
    Code first 10

    Code first

    • underlying condition, such as:
    • catamenial pneumothorax due to endometriosis (N80.B-) N80.B
    • cystic fibrosis (E84.-) E84
    • eosinophilic pneumonia (J82.81-J82.82) J82.81 J82.82
    • lymphangioleiomyomatosis (J84.81) J84.81
    • malignant neoplasm of bronchus and lung (C34.-) C34
    • Marfan syndrome (Q87.4-) Q87.4
    • pneumonia due to Pneumocystis carinii (B59) B59
    • secondary malignant neoplasm of lung (C78.0-) C78.0
    • spontaneous rupture of the esophagus (K22.3) K22.3
  5. J93.8
    Other pneumothorax and air leak
    Header
  6. J93.81
    Chronic pneumothorax
    BillableCC
  7. J93.82
    Other air leak
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Persistent air leak
  8. J93.83
    Other pneumothorax
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • Acute pneumothorax
    • Spontaneous pneumothorax NOS
  9. J93.9
    Pneumothorax, unspecified
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Pneumothorax NOS

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 J93

Excludes1

  • congenital or perinatal pneumothorax (P25.1) P25.1
  • postprocedural air leak (J95.812) J95.812
  • postprocedural pneumothorax (J95.811) J95.811
  • traumatic pneumothorax (S27.0) S27.0
  • tuberculous (current disease) pneumothorax (A15.-) A15
  • pyopneumothorax (J86.-) J86

Notes that also apply

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

Index entries

  • Pneumothorax NOS → J93.9
  • Pneumothorax NOStense valvular, infectional → J93.0
  • Pneumothorax NOStension (spontaneous) → J93.0
  • Tensionpneumothorax → J93.0
  • Pneumothorax NOSchronic → J93.81
  • Leak, leakageair NEC → J93.82
  • Pneumothorax NOSacute → J93.83
  • Pneumothorax NOSspecified NEC → J93.83
  • Pneumothorax NOSspontaneous NOS → J93.83
  • Pneumothorax NOSspontaneous NOStension → J93.0
  • Pneumothorax NOSspontaneous NOSprimary → J93.11
  • Pneumothorax NOSspontaneous NOSsecondary → J93.12
  • Leak, leakagedevice, implant or graftpersistent air → J93.82

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

Hierarchy