To help me understand what you're asking, could you please provide more information? For example:
* Where did you see this abbreviation? (e.g., a medical report, a prescription label, a website)
* What is the context? (e.g., are you asking about a medical procedure, a test, a diagnosis?)
* What do you think the abbreviations might stand for?
With more context, I can better understand your question and provide a helpful response.