Antidiuretic hormone test

ANTIDIURETIC HORMONE TEST

DESCRIPTION - a hormone that helps blood vessels constrict and helps the kidneys control the amount of water and salt in the body. This helps control blood pressure and the amount of urine that is made

METHODOLOGY – quantitative radioimmunoassay

SPECIMEN REQUIERED –

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

SPECIMEN PREPARATION – separate plasma from cells within 2 hours of collection. Transfer 1 ml of serum to transport tube

STORAGE/TRANSPORT TEMPERATURE – critical frozen

STABILITY – ambient: 2 hours; refrigerated: 1 month

UNACCEPTABLE CONDITION – non frozen specimens

SPECIAL INSTRUCTIONS – clinical history is mandatory