CPT® 94640, Under Pulmonary Diagnostic Testing and Therapies

The Current Procedural Terminology (CPT®) code 94640 as maintained by American Medical Association, is a medical procedural code under the range - Pulmonary Diagnostic Testing and Therapies.

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Summary

The provider administers oxygen under pressure or not under pressure to open obstructed air passages. He uses any of the listed devices to treat a patient with an acute obstruction of the airway that prevents the patient from taking in sufficient air. The provider may also perform the procedure to induce sputum for laboratory analysis.

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