Reticulocyte count test

RETICULOCYTE COUNT TEST

DESCRIPTION – a reticulocyte count is a blood test that measures the amount of these cells in the blood. In the presence of some anemias, the body increases production of red blood cells, and sends these cells into the bloodstream before they are mature.

METHODOLOGY – cytochemical stain

TURN AROUND TIME – 1-2 days

PATIENT PREPARATION –

COLLECT – lavender (EDTA) or green (sodium heparin). Immediately invert tubes several times following procurement of whole blood

SPECIMEN PREPARATION – transfer 5 ml whole blood and 6 unfixed push smears

STORAGE/TRANSPORT TEMPERATURE – room temperature

STABILITY –

Whole blood – ambient: 48 hours; refrigerated: 48 hours

Unfixed push smears – ambient: 5 days; refrigerated: 5 days

UNACCEPTABLE CONDITION – serum or plasma

SPECIAL INSTRUCTIONS – clinical history is mandatory