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Complete Blood Count (CBC) with Manual Differential
Test CodeCBCM
Alias/See Also
Epic: LAB2217
Preferred Specimen
Specimen Type: Whole Blood EDTA
Collection Container: Lavender top (EDTA)
Specimen Volume: 3 mL
Minimum Volume
1 mL
Instructions
Collection Instructions:
- Collect full tube. Fill volume is critical for proper anticoagualnt ratio.
- If collecting samples in microtainer tubes, indicate if sample is venous or capillary (finger stick or heel stick).
- Platelet clumping: submit a Light Blue (sodium citrate) tube along with the lavender tube. Rubber band tubes together and indicate on request that patient is a platelet clumper.
- Pathology Review: If a pathology review is required, order CBCM / Complete Blood Count (CBC) with Manual Differential and clearly indicate on request that Pathologist review is required.
Specimen Stability
Room temperature: 24 hours
Refrigerated: 48 hours
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted, fibrin strands, platelet clumps, grossly hemolyzed, samples drawn above an IV site.
Methodology
RF/DC (Radio Frequency/Direct Current) Detection/Hydrodynamic Focusing (DC Detection), Flow Cytometry (Using a Semiconductor Laser)/Sodium Lauryl Sulfate (SLS) Hemoglobin
Setup Schedule
Daily
Report Available
Same day / 1 day
Reference Range
See laboratory report
Performing Laboratory
Inova Laboratories
2832 Juniper Street
Fairfax, VA 22031
Last Updated: April 10, 2023
Last Review: N. Wolford, April 10, 2023