ICD-10/J98.4

J98.4 ICD 2026 Code: Other disorders of lung

J98.4 is the authoritative medical code for Other disorders of lung. This classification is used in medical billing and clinical recording to specify the clinical criteria for other disorders of lung (ICD-10-CM J98.4), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Other disorders of lung is a billable ICD-10-CM diagnosis code J98.4. Inclusion terms: Calcification of lung; Cystic lung disease acquired; Lung disease NOS; Pulmolithiasis. Excludes1 (not coded here): acute interstitial pneumonitis J84.114; pulmonary insufficiency following surgery J95.1-J95.2; newborn apnea P28.4-; newborn sleep apnea P28.3-. Excludes2 (not included here): apnea NOS R06.81; sleep apnea G47.3-. Use additional code: code to identify:; exposure to environmental tobacco smoke Z77.22; exposure to tobacco smoke in the perinatal period P96.81; history of tobacco dependence Z87.891; occupational exposure to environmental tobacco smoke Z57.31; tobacco dependence F17.-; tobacco use Z72.0.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for J98.4 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

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

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • acute interstitial pneumonitis J84.114
  • pulmonary insufficiency following surgery J95.1-J95.2
  • newborn apnea P28.4-
  • newborn sleep apnea P28.3-

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • apnea NOS R06.81
  • sleep apnea G47.3-

Use Additional Code

Supplementary codes the tabular list directs you to add.

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

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with J98.4?

Per official ICD-10-CM Excludes1 instructions, J98.4 must not be reported together with: acute interstitial pneumonitis (J84.114); pulmonary insufficiency following surgery (J95.1-J95.2); newborn apnea (P28.4-); newborn sleep apnea (P28.3-).

Can J98.4 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, J98.4 and the following are not considered part of each other and may both be reported when both conditions are present: apnea NOS (R06.81); sleep apnea (G47.3-).

Is an additional code needed with J98.4?

Use additional code(s) to specify: code to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891).

What conditions are included under J98.4?

Other disorders of lung includes: Calcification of lung; Cystic lung disease (acquired); Lung disease NOS; Pulmolithiasis.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to J98.4 in its code family, with their registry titles.

  • J98 — Other respiratory disorders
  • J98.0 — Diseases of bronchus, not elsewhere classified
  • J98.1 — Pulmonary collapse
  • J98.2 — Interstitial emphysema
  • J98.3 — Compensatory emphysema
  • J98.5 — Diseases of mediastinum, not elsewhere classified
  • J98.6 — Disorders of diaphragm
  • J98.8 — Other specified respiratory disorders
  • J98.9 — Respiratory disorder, unspecified

Indexed Clinical Terms (44)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Adhesions, adhesive (postinfective), lung
  • Adhesions, adhesive (postinfective), pulmonary
  • Atrophy, atrophic (of), lung (senile)
  • Calcification, lung (active) (postinfectional)
  • Calculus, calculi, calculous, lung
  • Calculus, calculi, calculous, pulmonary
  • Cavitation of lung, nontuberculous
  • Cicatrix (adherent) (contracted) (painful) (vicious), lung
  • Compression, lung
  • Cyst (colloid) (mucous) (simple) (retention), air, lung
  • Cyst (colloid) (mucous) (simple) (retention), bronchogenic (mediastinal) (sequestration)
  • Cyst (colloid) (mucous) (simple) (retention), lung
  • Cystic, lung disease
  • Deformity, lung (congenital), acquired
  • Degeneration, degenerative, lung
  • Density, lung (nodular)
  • Disease, diseased, bronchopulmonary
  • Disease, diseased, cystic, lung
  • Disease, diseased, lung
  • Disease, diseased, lung, cystic
  • Disease, diseased, lung, polycystic
  • Disease, diseased, polycystic, lung or pulmonary
  • Granuloma, lung (infectious)
  • Hernia, hernial (acquired) (recurrent), lung (subcutaneous)
  • Honeycomb lung
  • Inflammation, inflamed, inflammatory (with exudation), lung (acute), chronic
  • Insufficiency, insufficient, pulmonary
  • Insufficiency, insufficient, pulmonary, following, shock
  • Insufficiency, insufficient, pulmonary, following, trauma
  • Lesion (s) (nontraumatic), pulmonary
  • Obstruction, obstructed, obstructive, lung
  • Occlusion, occluded, lung
  • Paralysis, paralytic (complete) (incomplete), lung
  • Pneumatocele (lung)
  • Pneumonitis (acute) (primary)
  • Pneumonitis (acute) (primary), noninfectious
  • Pneumonitis (acute) (primary), specified NEC
  • Pneumopathy NEC
  • Polycystic (disease), lung
  • Pseudocyst, lung
  • Pulmolithiasis
  • Retraction, lung
  • Scar, scarring, lung (base)
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative, lung