âBAAâ is an acronym for  âbusiness associate agreement,â which is an industry term for what the HIPAA regulations call a âbusiness associate contract.â Same thing. BAAs are hybrid contractual and regulatory instruments, meaning they both satisfy HIPAA regulatory requirements and create liability between the parties.
Your health care provider MUST check your arm 2 or 3 days after the TB skin test, even if your arm looks OK to you. If you have a reaction to the test, it will look like a raised bump. Your health care provider will measure the size of the reaction. If there is a bump, it will go away in a few weeks.
How is the TST Read? The skin test reaction should be read between 48 and 72 hours after administration. A patient who does not return within 72 hours will need to be rescheduled for another skin test. The reaction should be measured in millimeters of the induration (palpable, raised, hardened area or swelling).