Compliance Question of the Week – Respiratory

What code should be reported for a consult performed by a respiratory therapist in either an outpatient or inpatient setting?

Does Medicare have rules about use of code 94750–pulmonary compliance study (e.g., plethysmography, volume and pressure measurements)?

If multiple spirometric determinations are necessary to complete a service, how many units can be reported?

The answer to the August 20, 2018 Respiratory Compliance Question of the Week mentions that oxygen must be billed as a “measureable” unit. Could you please explain in additional detail whether it would be acceptable to consider measurable as a per-day charge?

What code should be reported when inhalation drugs are administered to an inpatient in a continuous treatment or a series of “back-to-back” treatments exceeding one hour?

If more than one inhalation treatment for acute airway obstruction is performed on the same date of service, do we report 94640 with a modifier?

What are the Medicare rules for billing MSLT or MWT and PSGs?

How is oxygen billed to Medicare?

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

How should a series of back-to-back continuous inhalation therapy treatments be coded?

When caring for an infant in the NICU, can RT charge separately for a capillary blood draw for the specimen for an arterial blood gas? What is the appropriate CPT® code?

When Is respiratory failure a principal or secondary diagnosis?