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HelpTest Code LAB293 CBC + DIFF
Clinical System Name
Complete Blood Count with Differential
Synonyms
CBC DIFF
LAB293
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)
CPT Codes
85025
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 refer to "CBC No Diff" for Red cell indices reference ranges.
WBC <0.2: No differential. Differential and RBC morphology are automatically resulted with "No Data" and final verified.
|
Test |
Age Range (Male & Female) |
% |
/CMM |
|
Polys |
0 - 1 Day |
33 - 70 |
3000 - 12000 |
|
Polys |
1 Day - 1 Week |
15 - 50 |
2000 - 6000 |
|
Polys |
1 Week - 1 Month |
15 - 45 |
1500 - 5000 |
|
Polys |
1 Month - 1 Year |
15 - 45 |
1500 - 5000 |
|
Polys |
1 - 4 Years |
15 - 70 |
1500 - 7500 |
|
Polys |
4 - 10 Years |
25 - 70 |
1800 - 7000 |
|
Polys |
10 - 14 Years |
30 - 70 |
1500 - 7000 |
|
Polys |
14 Years - Adult |
40 - 75 |
1500 - 7000 |
|
Bands |
0 - 24 Hrs |
0 - 9 |
0 - 1500 |
|
Bands |
1 Day - 1 Week |
0 - 9 |
0 - 1200 |
|
Bands |
1 Week - 1 Month |
0 - 9 |
0 - 500 |
|
Bands |
1 Month - 1 Year |
0 - 9 |
0 - 350 |
|
Bands |
1 - 4 Years |
0 - 9 |
0 - 270 |
|
Bands |
4 - 10 Years |
0 - 9 |
0 - 240 |
|
Bands |
10 Years - Adult |
0 - 9 |
0 - 200 |
|
Lymphocytes |
0 - 1 Day |
10 - 35 |
2000 - 11000 |
|
Lymphocytes |
1 Day - 1 Week |
15 - 70 |
2000 - 7000 |
|
Lymphocytes |
1 Week - 4 Years |
30 - 70 |
3000 - 7000 |
|
Lymphocytes |
4 - 6 Years |
20 - 70 |
1500 - 8500 |
|
Lymphocytes |
6 - 10 Years |
20 - 50 |
1500 - 5000 |
|
Lymphocytes |
10 Years - Adult |
20 - 40 |
1100 - 4500 |
|
Monocytes |
0 Days - 1 Month |
0 - 10 |
0 - 1100 |
|
Monocytes |
1 Month - Adult |
0 - 10 |
0 - 900 |
|
Eosinophils |
0 - 24 Hrs |
0 - 4 |
0 - 400 |
|
Eosinophils |
1 Day - 1 Week |
0 - 4 |
0 - 500 |
|
Eosinophils |
1 Week - 1 Year |
0 - 4 |
0 - 300 |
|
Eosinophils |
1 - 10 Years |
0 - 4 |
0 - 250 |
|
Eosinophils |
10 Years - Adult |
0 - 4 |
0 - 200 |
|
Basophils |
0 - 1 Week |
0 - 1 |
0 - 100 |
|
Basophils |
1 Week - 4 Years |
0 - 1 |
0 - 50 |
|
Basophils |
4 Years - Adult |
0 - 1 |
0 - 40 |
| Immature Granulocytes | 0 - Adult | 0 - 0.7 | 0 - 50 |
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.
This test includes WBC, RBC, Hgb, Hct, MCV, MCH. MCHC, RDW, Plt, MPV, red cell morphology, white cell differential, and Absolute Neutrophil Count (ANC).
Critical Values
| Absolute Neutrophil Count | < 500/CMM |