RTHCPCS Level II
Right side (used to identify procedures performed on the right side of the body)
- Usage notes
- Append to procedure codes to identify a service performed on the right side of a paired organ or structure.
- Common mistakes
- Billing the same code twice with LT and RT on one line instead of two separate lines, which most payers require for correct bilateral processing.
Related modifiers
RAReplacement of a dme, orthotic or prosthetic itemRBReplacement of a part of a dme, orthotic or prosthetic item furnished as partRCRight coronary arteryRDDrug provided to beneficiary, but not administered "incident-to"REFurnished in full compliance with fda-mandated risk evaluation and mitigationRIRamus intermedius coronary arteryRRRental (use the 'rr' modifier when dme is to be rented)
Frequently asked questions
What does modifier RT mean?
Right side (used to identify procedures performed on the right side of the body)
When do I use modifier RT?
Append to procedure codes to identify a service performed on the right side of a paired organ or structure.
What's a common mistake with modifier RT?
Billing the same code twice with LT and RT on one line instead of two separate lines, which most payers require for correct bilateral processing.
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.