How often do you need to re-certify if you have a VTS (DI/di… Post author By Anonymous Post date January 9, 2025 Related Posts:How often do you need to re-certify if you have a…How often do you need to re-certify if you have a…True or False: For a VTS (Dermatology), you must… ← ____ is comparing text documentation w/ coded items. → What is the time frame involved in the STEL?