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HomeICD-10 CodesJ45
ICD-10-CM
Non-billable

J45

Classification
Category:Diseases of the respiratory system
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Coding Guidance
J45 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.
Inclusion Terms
  • allergic (predominantly) asthma
  • allergic bronchitis NOS
  • allergic rhinitis with asthma
  • atopic asthma
  • extrinsic allergic asthma
  • hay fever with asthma
  • idiosyncratic asthma
  • intrinsic nonallergic asthma
  • nonallergic asthma
Excludes 1
Excludes 2
asthma with chronic obstructive pulmonary disease
J44.89
chronic asthmatic (obstructive) bronchitis
J44.89
chronic obstructive asthma
J44.89
other specified chronic obstructive pulmonary disease
J44.89
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

More Specific Codes

J45.2
Mild intermittent asthma
J45.3
Mild persistent asthma
J45.4
Moderate persistent asthma
J45.5
Severe persistent asthma
J45.9
Other and unspecified asthma

External Resources

2025 ICD-10 guidelines from CMS.gov