oxygen administration cpt code

Coding Guidelines For Oxygen Use (CPT E0424, CPT E0441 & CPT E0443)

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

CPT Codes For Oxygen

CPT E0424

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

CPT E0441

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

CPT 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 CPT 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 CPT E0424, suppliers may bill on a monthly basis for stationary oxygen contents using CPT HCPCS E0441.  However, if both gaseous stationary and portable oxygen equipment were furnished in month 36 and billed using CPT E0424 “QF”, suppliers may bill on a monthly basis for both stationary and portable oxygen contents using CPT E0441 and CPT E0443.  

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