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HelpTest Code LAB3929 RESEARCH ONLY - CBC Differential
Clinical System Name
Research Only CBC Diff
Synonyms
Res CBC DIFF
LAB3929
Description
Examination of the numerical complete blood count is useful in diagnosis of such disease states as anemias, leukemias, allergic reactions, viral, bacterial, and parasitic infections. The presence of schistocytes may indicate a hemolytic process.
This test includes WBC, RBC, Hgb, Hct, MCV, MCH, MCHC, RDW, Plt, MPV, white cell differential, Absolute Neutrophil Count (ANC), and red cell morphology, including the presence or absence of schistocytes.
Sample Requirements
Specimen: Whole Blood
Container(s): Lavender/EDTA
Preferred Vol: 2.0-4.0 mL
Minimum Vol: 0.5 mL Microtainer; 1.0 mL Macrotainer
Notes: A Lavender top/EDTA Macrotainer must contain at least 1.0 mL.
Processing Instructions
Reject due to: Insufficient Quantity, Wrong Sample Collection, Clotted Sample, Age of specimen
Spin: N
Aliquot: N
Temp: RT
Storage location: Core 5 Fridge
Off-site collection: Store whole blood at room temperature and transport to Children's Lab immediately. Samples > 24 hours old may be rejected.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole blood | RT |
≤ 24 h |
| Whole blood | 2-8 C |
≤ 48 h |
| -20 C or -70 C |
N |
Availability
| STAT | Performed | TAT |
|---|---|---|
| Y | 24/7 | 1 h |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Core Hematology
Phone Number: 206-987-2617 (Client Services)
Methodology
Method: Sysmex XN-3000, XN-1000, & XN-350: RF/DC detection method, Flow cytometry with semiconductive laser, photometrically, SLS-hemoglobin method, hydrodynamic focusing
Analytical Volume: 0.25 mL whole blood
Reference Range
Please see CBC for Red cell indices reference ranges and critical values.
Please see Differential for White Cell Differential reference ranges and critical values.
| Test | Age Range (Male & Female) | Reference Range |
|---|---|---|
| Schistocytes | 0 - Adult | Not Present |
CPT Codes
85025