Below are the oxygen administration codes E0424, E0441 & E0443 and modifiers for oxygen use.
Description of E0424: Stationary Compressed Gaseous Oxygen System, Rental; Includes Container, Contents, Regulator, Flowmeter, Humidifier, Nebulizer, Cannula or Mask, and Tubing.
Description of CPT E0441: Stationary Oxygen Contents, Gaseous, 1 Month’s Supply = 1 Unit.
Description of CPT E0443: Portable Oxygen Contents, Gaseous, 1 Month’s Supply = 1 Unit
Modifiers For Oxygen Use
Modifier QF: Prescribed Amount of Oxygen Exceeds 4 Liters Per minute (LPM) and Portable Oxygen is Prescribed
Modifier QG: Prescribed Amount of Oxygen is Greater than 4 Liters Per Minute (LPM).
Reimbursement For Oxygen Contents
Beginning with dates of service on or after the end date of service for the month representing the 36th payment for E0424, suppliers may bill on a monthly basis for furnishing oxygen contents (stationary and/or portable).
If only stationary gaseous oxygen equipment was furnished in month 36 and billed with E0424, suppliers may bill on a monthly basis for stationary oxygen contents using HCPCS E0441.
However, if both gaseous stationary and portable oxygen equipment were furnished in month 36 and billed using E0424 “QF”, suppliers may bill on a monthly basis for both stationary and portable oxygen contents using E0441 and E0443.