Cholinesterase test Shankar-road

CHOLINESTERASE TEST

DESCRIPTION – serum cholinesterase is a blood test that looks at levels of 2 substances that help the nervous system work properly. They are called acetylcholinesterase and pseudo-cholinesterase. Your nerves need these substances to send signals. Acetylcholinesterase is found in nerve tissue and red blood cells.

METHODOLOGY – quantitative enzymatic

TURN AROUND TIME – between 1 to 4 days

SPECIMEN REQUIERED –

COLLECT – lavender (EDTA), pink (potassium EDTA)

SPECIMEN PREPARATION – do not freeze. Transfer 3 ml whole blood

STORAGE/TRANSPORT TEMPERATURE – refrigerated

STABILITY – ambient: 4 hours; refrigerated: 1 week

UNACCEPTABLE CONDITION – green (sodium heparin), frozen specimens and clotted or hemolyzed specimens

SPECIAL INSTRUCTIONS – clinical history is mandatory