ICD Code J45.990

ICD code J45.990 is exercise-induced bronchospasm, which refers to episodes of airway narrowing and breathing difficulty triggered specifically by physical activity or exercise.

1. Patient experiences acute episodes of coughing, wheezing, shortness of breath, or chest tightness during or shortly after physical exertion.

2. Symptoms are reproducible with exercise and typically resolve with rest or use of bronchodilator.

3. No evidence of chronic asthma symptoms outside of exercise or physical activity.

4. Pulmonary function testing demonstrates a significant decrease in FEV1 following exercise challenge, with improvement after administration of a bronchodilator.

5. Other causes of exercise-induced respiratory symptoms, such as cardiac conditions or vocal cord dysfunction, have been ruled out.

Relevant CPT codes that may be used to treat ICD code J45.990 include:

94010 – Spirometry, including graphic record, total and timed vital capacity, expiratory flow rate measurement(s), with or without maximal voluntary ventilation

94640 – Pressurized or non-pressurized 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

94620 – Pulmonary stress testing; simple (eg, 6-minute walk test), including measurement of heart rate, oximetry, and oxygen titration

94760 – Noninvasive ear or pulse oximetry for oxygen saturation; single determination

96372 – Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular

99201–99215 – Evaluation and management (E/M) office or other outpatient services (level based on complexity and time)

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