DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J98 Other respiratory disorders

  • Header · not billable

J98 is not billable. The category heads 12 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J96-J99 Other diseases of the respiratory system (J96-J99)
  3. J98 Other respiratory disorders
Billable codes
12
Subdivisions
9
CC / MCC codes
2 / 2
HCC V28 codes
2
New FY2027
0
Index entries
122

Codes in J98

  1. J98.0
    Diseases of bronchus, not elsewhere classified
    Header
  2. J98.01
    Acute bronchospasm
    Billable
    Excludes1 4

    Excludes1

    • acute bronchiolitis with bronchospasm (J21.-) J21
    • acute bronchitis with bronchospasm (J20.-) J20
    • asthma (J45.-) J45
    • exercise induced bronchospasm (J45.990) J45.990
  3. J98.09
    Other diseases of bronchus, not elsewhere classified
    Billable
    Inclusion terms 6

    Inclusion terms

    • Broncholithiasis
    • Calcification of bronchus
    • Stenosis of bronchus
    • Tracheobronchial collapse
    • Tracheobronchial dyskinesia
    • Ulcer of bronchus
  4. J98.1
    Pulmonary collapse
    Header
    Excludes1 1

    Excludes1

    • therapeutic collapse of lung status (Z98.3) Z98.3
  5. J98.11
    Atelectasis
    BillableCC
    Excludes1 2

    Excludes1

    • newborn atelectasis
    • tuberculous atelectasis (current disease) (A15) A15
  6. J98.19
    Other pulmonary collapse
    BillableCC
  7. J98.2
    Interstitial emphysema
    Billable280
    Inclusion terms 1, Excludes1 4

    Inclusion terms

    • Mediastinal emphysema

    Excludes1

    • emphysema NOS (J43.9) J43.9
    • emphysema in newborn (P25.0) P25.0
    • surgical emphysema (subcutaneous) (T81.82) T81.82
    • traumatic subcutaneous emphysema (T79.7) T79.7
  8. J98.3
    Compensatory emphysema
    Billable280
  9. J98.4
    Other disorders of lung
    Billable
    Inclusion terms 4, Excludes1 2

    Inclusion terms

    • Calcification of lung
    • Cystic lung disease (acquired)
    • Lung disease NOS
    • Pulmolithiasis

    Excludes1

    • acute interstitial pneumonitis (J84.114) J84.114
    • pulmonary insufficiency following surgery (J95.1-J95.2) J95.1 J95.2
  10. J98.5
    Diseases of mediastinum, not elsewhere classified
    Header
    Excludes2 1

    Excludes2

    • abscess of mediastinum (J85.3) J85.3
  11. J98.51
    Mediastinitis
    BillableMCC
    Code first 1

    Code first

    • underlying condition, if applicable, such as postoperative mediastinitis (T81.-) T81
  12. J98.59
    Other diseases of mediastinum, not elsewhere classified
    BillableMCC
    Inclusion terms 3

    Inclusion terms

    • Fibrosis of mediastinum
    • Hernia of mediastinum
    • Retraction of mediastinum
  13. J98.6
    Disorders of diaphragm
    Billable
    Inclusion terms 3, Excludes1 2, Excludes2 1

    Inclusion terms

    • Diaphragmatitis
    • Paralysis of diaphragm
    • Relaxation of diaphragm

    Excludes1

    • congenital malformation of diaphragm NEC (Q79.1) Q79.1
    • congenital diaphragmatic hernia (Q79.0) Q79.0

    Excludes2

    • diaphragmatic hernia (K44.-) K44
  14. J98.8
    Other specified respiratory disorders
    Billable
  15. J98.9
    Respiratory disorder, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Respiratory disease (chronic) 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 J98

Excludes1

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

Excludes2

Use additional code

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

Notes that also apply

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

Index entries

  • Bronchospasm (acute) → J98.01
  • Broncholithiasis → J98.09
  • Bronchomalacia → J98.09
  • Bronchorrhea → J98.09
  • Bronchostenosis → J98.09
  • Atelectasis (massive) (partial) (pressure) (pulmonary) → J98.11
  • Right middle lobe syndrome → J98.11
  • Brock's syndrome (atelectasis due to enlarged lymph nodes) → J98.19
  • Pneumomediastinum → J98.2
  • Honeycomb lung → J98.4
  • Pneumatocele (lung) → J98.4
  • Pneumonitis (acute) (primary) → J98.4
  • Pneumopathy NEC → J98.4
  • Pulmolithiasis → J98.4
  • Mediastinitis (acute) (chronic) → J98.51
  • Diaphragmatitis, diaphragmitis → J98.6
  • Spasm(s), spastic, spasticitybronchus, bronchiole → J98.01
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)bronchi → J98.09
  • Calcificationbronchus → J98.09
  • Calculus, calculi, calculousbronchus → J98.09
  • Collapsetracheobronchial → J98.09
  • Compressionbronchus → J98.09
  • Congestion, congestivebronchial → J98.09
  • Constrictionbronchial → J98.09
  • Contraction(s), contracture, contractedbronchial → J98.09
  • Disease, diseasedbronchus NEC → J98.09
  • Dyskinesiatracheobronchial → J98.09
  • Erosionbronchus → J98.09
  • Mounier-Kuhn syndromeacquired → J98.09
  • Necrosis, necrotic (ischemic)bronchus → J98.09
  • Obstruction, obstructed, obstructivebronchus → J98.09
  • Ossificationbronchial → J98.09
  • Paralysis, paralytic (complete) (incomplete)bronchial → J98.09
  • Perichondritisbronchus → J98.09
  • Plugbronchus NEC → J98.09
  • Stasisbronchus → J98.09
  • Stenosis, stenotic (cicatricial)bronchus → J98.09
  • Stricturebronchus → J98.09
  • Tracheobronchomegalyacquired → J98.09
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativebronchus → J98.09

82 more, longer entries are not listed; the search box finds them by word.

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

Hierarchy