Modifier AU

Item furnished in conjunction with a urological, ostomy or tracheostomy supply

Correct Use

The HCPCS codes indicated below are the only codes for which the AU modifier may be used. No other HCPCS codes require the use of the AU modifier when billing.

  • Ostomy Supplies Local Coverage Determination (LCD)
    • A4450
    • A4452
    • A5120
  • Tracheostomy Care LCD
    • A4450
    • A4452
    • A5120
  • Urological Supplies LCD
    • A4217
    • A4450
    • A4452

Any claims submitted with a HCPCS identified above that does not have the appropriate modifier appended as per the policy with which it is billed, will be denied as noncovered.

Resources

 

Last Updated May 04, 2018