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ICD-10 J45.90 - Unspecified asthma
Chapter 10 Section J40-J47

J45.90

ICD-10 Not billable

Unspecified asthma

Inclusion terms:
  • Asthmatic bronchitis NOS
  • Childhood asthma NOS
  • Late onset asthma
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)
J45.90 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
J45.901
Unspecified asthma with (acute) exacerbation
Billable
10
J45.902
Unspecified asthma with status asthmaticus
Billable
10
J45.909
Unspecified asthma, uncomplicated
Billable
      
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