Question:

Can the following codes be billed on the same date of service (DOS)?

94640 Pressurized or nonpressurized inhalation treatment for acute airway obstruction for therapeutic purposes and/or for diagnostic purposes such as sputum induction with an aerosol generator, nebulizer, metered dose inhaler or intermittent positive pressure breathing (IPPB) device
94664 Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device

Answer:

To bill both 94640 and 94664 on the same DOS, there must be documentation that supports that the procedures were separate and distinct from one another. The medical record should include a request for each procedure, and therapist documentation should support that procedures occurred at separate times.


This question was answered in the 2018 edition of our Coding Essentials for RT/Pulmonary Function. For more hot topics relating to respiratory therapy services, please view our store, or call us at 1.800.252.1578 ext. 2.

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