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Test Code 4011893 CBC W/ Manual Diff

Important Note

Due to aritfactual changes in cellular morphology, it is not possible to perfom a reliable differential on smears made from samples greater than 36 hours old.

Specimen Requirements

4.0 mL whole blood

Container

EDTA (lavender top) tube

Minimum Volume

300 µL in a regular tube or 160 µL in a microtainer tube

Stability

24 hours at room temperature, 36 hours at 2-8°C

Analytical Time

Same day
Available stat

Sample Retention Time

7 days

Method

Electronic Resistance Detection, Cumulative Pulse Hight Detection, Photometry, Flow Cytometry, and Microscopy

CPT Code

85007

Performing Laboratory

Springfield Hospital Laboratory

Reject Due To

Improperly labeled sample
Clotted samples
Gross hemolysis
Samples drawn above an IV line