(2022) How To Bill Oxygen Use (E0424, E0441 & E0443)

Below are the oxygen administration codes E0424, E0441 & E0443 and modifiers for oxygen use.

E0424

Description of E0424: Stationary Compressed Gaseous Oxygen System, Rental; Includes Container, Contents, Regulator, Flowmeter, Humidifier, Nebulizer, Cannula or Mask, and Tubing.

E0441

Description of CPT E0441: Stationary Oxygen Contents, Gaseous, 1 Month’s Supply = 1 Unit.

E0443

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.