Lab QW modifier

Do I have to append the QW modifier for waived tests if I have a PPMP CLIA certificate?

re: Lab QW modifier

http://www.cms.gov/Regulations-and-Guidance/Legislation/CLIA/downloads/types_of_clia_certificates.pdf

Per CMS guidelines that certificate allows you to perform clia waived tests also. So the answer is yes, if you are performing a test that is clia waived.