All ICD10 Codes
Chapter 10

J00–J99: Diseases of the Respiratory System

Diseases of the Respiratory System diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
  • code, where applicable, 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)
All CodesBillable Only
Internal Codes
PrevNext
  • J98.19—

    Other pulmonary collapse

  • J98.2—

    Interstitial emphysema

  • J98.3—

    Compensatory emphysema

  • J98.4—

    Other disorders of lung

  • J98.51—

    Mediastinitis

  • J98.59—

    Other diseases of mediastinum, not elsewhere classified

  • J98.6—

    Disorders of diaphragm

  • J98.8—

    Other specified respiratory disorders

  • J98.9—

    Respiratory disorder, unspecified

  • J99—

    Respiratory disorders in diseases classified elsewhere

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