L1HCPCS Level II
Provider attestation that the hospital laboratory test(s) is not packaged under
Related modifiers
LCLeft circumflex coronary arteryLDLeft anterior descending coronary arteryLLLease/rental (use the 'll' modifier when dme equipment rental is to be appliedLMLeft main coronary arteryLRLaboratory round tripLSFda-monitored intraocular lens implantLTLeft side (used to identify procedures performed on the left side of the body)LUFractionated payment
Frequently asked questions
What does modifier L1 mean?
Provider attestation that the hospital laboratory test(s) is not packaged under
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.