Red Blood Cell (RBC) Count CPT: 85041
Expected Turnaround Time
Within 1 day
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Tube fill capacity
0.5 mL (500 μL for pediatric microtainer capillary tubes; fill tube to capacity.)
Lavender-top (EDTA) tube
Invert tube 8 to 10 times immediately after tube is filled at the time of collection.
Maintain specimen at room temperature.
To evaluate the number of red blood cells (RBCs); to screen for, help diagnose, or monitor conditions affecting red blood cells.
As part of a complete blood count (CBC), during a health checkup, or when a healthcare practitioner suspects that you have a condition such as anemia (decreased number of RBCs) or polycythemia (increased number of RBCs).
A blood sample drawn from a vein or by a fingerstick (children and adults) or heelstick (newborns).