ICD Code J42

ICD code J42 is unspecified chronic bronchitis, a long-term inflammation of the bronchial tubes in the lungs without further specification of type or cause.

1. Presence of chronic cough lasting for at least three months in two consecutive years

2. Daily sputum production

3. Absence of a specific underlying cause identified for the bronchitis

4. No evidence of acute exacerbation at the time of diagnosis

5. Exclusion of other chronic pulmonary diseases such as asthma, bronchiectasis, or emphysema

6. Symptoms not attributable to infectious etiologies or acute respiratory illness

Relevant CPT codes that may be used to treat ICD code J42 include:

94010 – Spirometry, including graphic record, total and timed vital capacity, expiratory flow rate measurement(s)

94640 – Pressurized or nonpressurized inhalation treatment for acute airway obstruction or for sputum induction for diagnostic purposes

94664 – Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device

99202–99215 – Office or other outpatient evaluation and management services

94660 – Continuous positive airway pressure ventilation (CPAP), initiation and management

94662 – Continuous negative pressure ventilation (CNP), initiation and management

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