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ICD-10 J44.9 - Chronic obstructive pulmonary disease, unspecified
Chapter 10 Section J40-J47

J44.9

ICD-10 Billable

Chronic obstructive pulmonary disease, unspecified

Inclusion terms:
  • Chronic obstructive airway disease NOS
  • Chronic obstructive lung disease NOS
Use additional code:
  • code, where applicable, to identify: (per Chapter 10)
  • exposure to environmental tobacco smoke (Z77.22) (per Chapter 10)
  • exposure to tobacco smoke in the perinatal period (P96.81) (per Chapter 10)
  • history of tobacco dependence (Z87.891) (per Chapter 10)
  • occupational exposure to environmental tobacco smoke (Z57.31) (per Chapter 10)
  • tobacco dependence (F17.-) (per Chapter 10)
  • tobacco use (Z72.0) (per Chapter 10)
From Section J40-J47:
  • cystic fibrosis (E84.-)
From Chapter 10:
  • 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)
From Chapter 10:
  • When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).
From Section J40-J47:
  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
This ICD-10 code translates to more than one ICD-9 code:

491.20

ICD-9 Billable

Obstructive chronic bronchitis without exacerbation

493.20

ICD-9 Billable

Chronic obstructive asthma, unspecified

496

ICD-9 Billable

Chronic airway obstruction, not elsewhere classified