partial draw tube

partial draw tube

Hematology A blood collection tube with sodium citrate anticoagulant that is smaller–2.7 mL than the standard–4.5 mL purple top tube. See APTT. Cf CTAD tube.
Mentioned in ?
References in periodicals archive ?
Those using full-draw vacuum tubes tend to exhibit greater hemolysis (1-3) than those using direct venous collection (4) or partial draw tubes. (5) The reason for this is the sheer stress on the cells when pulled through a device with a tortuous path.