Below are the oxygen administration CPT code.
Effective October 1, 2012, the following oxygen codes and modifiers will be used to identify home use of oxygen for CH (Cluster Headache), provided pursuant to a Medicare-approved clinical study under Coverage with Evidence Development (CED)
HCPCS Codes
E0424 Stationary Compressed Gaseous Oxygen System, Rental; Includes Container, Contents, Regulator, Flowmeter, Humidifier, Nebulizer, Cannula or Mask, and Tubing
E0441 Stationary Oxygen Contents, Gaseous, 1 Month’s Supply = 1 Unit
E0443 Portable Oxygen Contents, Gaseous, 1 Month’s Supply = 1 Unit
CPT Modifiers
QF Prescribed Amount of Oxygen Exceeds 4 Liters Per minute (LPM) and Portable Oxygen is Prescribed
QG Prescribed Amount of Oxygen is Greater than 4 Liters Per Minute (LPM).
Payment 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 code 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 code E0424, suppliers may bill on a monthly basis for stationary oxygen contents using CPT HCPCS code E0441. However, if both gaseous stationary and portable oxygen equipment were furnished in month 36 and billed using CPT code E0424 “QF”, suppliers may bill on a monthly basis for both stationary and portable oxygen contents using CPT HCPCS codes E0441 and E0443.
Additional Billing Information
Specifically, DME MACs will pay claims with dates of service on or after October 1, 2012, for home use of oxygen for the treatment of Cluster Headaches (CH) during the 36 month rental period, if they contain all of the following:
• HCPCS code E0424; and Modifier “QF” or “QG” and modifier Q0 (clinical trial); and
• ICD-9 diagnosis code 339.00, 339.01, or 339.02; and
• ICD-9 diagnosis code V70.7; and
• POS 12 (home)
Adding the 8-digit clinical trial number is optional.
DME MACs will pay claims with dates of service on or after October 1, 2012, for home use of oxygen for the treatment of Cluster Headaches (CH) after the 36 month rental period, if they contain all of the following
• HCPCS code E0441 and/or E0443; and
• Modifier modifier Q0 (clinical trial); and
• ICD-9 diagnosis code 339.00, 339.01, or 339.02; and
• ICD-9 diagnosis code V70.7; and
• POS 12 (home).
Again, adding the 8-digit clinical trial number is optional.
Effective October 1, 2012, DME MACs will deny claims received with HCPCS code E1399 when billed with ICD-9 diagnosis code(s) 339.00, 339.01, or 339.02.
For more information please refer
https://www.cms.gov/Outreach-and-Education/Medicare-Learning-Network-MLN/MLNMattersArticles/Downloads/MM7820.pdf