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Unspecified chronic bronchitis J42

The ICD10 code for the diagnosis "Unspecified chronic bronchitis" is "J42". J42 is a VALID/BILLABLE ICD10 code, i.e it is valid for submission for HIPAA-covered transactions.

  • J42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM J42 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of J42 - other international versions of ICD-10 J42 may differ.
Applicable To:
  • Chronic bronchitis NOS
  • Chronic tracheitis
  • Chronic tracheobronchitis
Use Additional:
  • 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)
Type 1 Excludes:
  • chronic asthmatic bronchitis (J44.-)
  • chronic bronchitis with airways obstruction (J44.-)
  • chronic emphysematous bronchitis (J44.-)
  • chronic obstructive pulmonary disease NOS (J44.9)
  • simple and mucopurulent chronic bronchitis (J41.-)

Codes: = Billable

  • J42 Unspecified chronic bronchitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.