Medicare Benefit Policy Manual (Pub. 100-02), Ch. 7 § 80.8
Respiratory Care Services
80.8 - Respiratory Care Services
(Rev. 265, Issued: 01-10-20, Effective: 01-01-20, Implementation: 02-11-20)
If a respiratory therapist is used to furnish overall training or consultative advice to HHA
staff and incidentally furnishes respiratory therapy services to patients in their homes, the
costs of the respiratory therapist's services are allowable only as administrative costs to
the HHA. Visits by a respiratory therapist to a patient's home are not separately billable
during a HH period of care when a HH plan of care is in effect. However, respiratory
therapy services furnished as part of a plan of care other than a home health plan of care
by a licensed nurse or physical therapist and that constitute skilled care may be covered
and separately billed as skilled visits when the beneficiary is not in a home health period
of care. Note that Medicare billing does not recognize respiratory therapy as a separate
discipline, but rather sees the services in accordance with the revenue code used on the
claims (i.e. 042x).