| Specimen Requirements |
1 x 5 mL lavender top EDTA tube
Minimum Blood Volume for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics
Whole blood
Mix well by inverting tube 8 to 10 times.
Collection can be combined in 1 x 5 mL tube with ESR and/or Reticulocyte Count.
Specimen tube MUST be sufficiently filled to be satisfactory for testing. If necessary, contact site-specific Hematology department for requirements.
Note: If platelet clumping is suspected, collect a blue top sodium citrate tube along with the EDTA tube. An additional green top sodium heparin tube may also be requested by Hematology in some cases.
Extra-regional: Provide a dried unstained blood smear. |
| Additional Information |
Test includes: Hemoglobin, Hematocrit, WBC, Differential, RBC, MCV, MCHC, RDW, and Platelet count.
PSC: Transport microtainer collections (0700-1700 hrs) by regular scheduled courier if within 2 hours of collection. If greater than 2 hours, call courier dispatcher to arrange for pick-up. After 1700 hrs or weekend, arrange for taxi pick-up. |
