ICD Code J45.991

ICD code J45.991 is cough variant asthma, a type of asthma where the main symptom is a chronic cough rather than wheezing or shortness of breath.

1. Presence of a chronic cough lasting more than 8 weeks, often dry and non-productive

2. Absence of classic asthma symptoms such as wheezing or shortness of breath

3. Cough is the predominant or sole symptom

4. Cough worsens at night or with exercise, exposure to cold air, or respiratory irritants

5. Improvement of cough with asthma therapy (e.g., inhaled corticosteroids or bronchodilators)

6. Exclusion of other causes of chronic cough, such as upper airway cough syndrome, gastroesophageal reflux disease, or chronic bronchitis

7. Airway hyperresponsiveness demonstrated by bronchoprovocation testing or spirometry, if performed

Relevant CPT codes that may be used to treat ICD code J45.991 include:

- 99202–99215 (Evaluation and Management office visits)

- 94010 (Spirometry, including graphic record)

- 94640 (Pressurized or nonpressurized inhalation treatment for acute airway obstruction)

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

- 94680 (Respiratory exercise, spirometry)

- 94681 (Exercise, induced bronchospasm evaluation)

- 94760 (Noninvasive ear or pulse oximetry for oxygen saturation)

- 96372 (Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular)

- 95070 (Bronchial challenge testing)

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