Examination for mycobacteria are performed only on specific request.
Ascitic, Synovial, Pleural Fluids are often clotted on arrival and only a qualitative count and Gram stain are performed.
Synovial Fluids are routinely examined for crystals. Mark request slip URGENT.
Add 1-2mL of fluid to a lithium heparin tube to prevent the specimen clotting. Fluids in blood tubes are unsuitable for culture.
Peritoneal Dialysate should be sent in a sterile container for cell count and culture.
Send 40 mL of fluid in a sterile container. Do not send bags.