In previous posts, we have looked at the various levels of CLIA certification; certificates of waiver, Provider performed microscopy, Registration, Compliance and Accreditation. We have briefly looked at what each means and the requirements associated with each one. Now, starting with 42 CFR § 493.551 we will look at general requirements for laboratories. A laboratory may opt to be accredited by a private non-profit accrediting organization, or in some states with a laborato