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- Ordering Info
To view specimen requirements and codes please select your laboratory:
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CBC (includes Differential and Platelets) with Smear Review
WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, RDW, Platelet Count, MPV and Differential with Pathologist Review.
If abnormal cells are noted on a manual review of the peripheral blood smear or if the automated differential information meets specific criteria, a full manual differential will be performed.
Whole blood full EDTA (lavender-top) tube
Microtainer 500 µL • 1 mL whole blood EDTA (lavender-top) tube
Maintain specimen at room temperature. Do not refrigerate. If multiple draw, collect EDTA (lavender-top) tube last. Traumatic draw can introduce thromboplastin and trap WBC and platelets. Refrigeration can precipitate fibrin and trap WBC and platelets.
EDTA (lavender-top) tube
Room temperature: 48 hours
Gross hemolysis • Clotted • Quantity not sufficient • Age of specimen
Electronic Cell Sizing/Counting/Cytometry/Microscopy • Microscopic Examination/Pathologist Review
|Quest Diagnostics NY/NJ|
See Laboratory Report
To assist in diagnosis of hematologic disorders.
Peripheral Smear Review with CBC
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|7369||TOTAL LYMPHOCYTES,%||736-9||Lymphocytes/100 leukocytes|
|7708||TOTAL NEUTROPHILS,%||770-8||Neutrophils/100 leukocytes|
|7765||MPV||776-5||Platelet mean volume|
|7856||MCH||785-6||Erythrocyte mean corpuscular hemoglobin|
|7864||MCHC||786-4||Erythrocyte mean corpuscular hemoglobin concentration|
|7872||MCV||787-2||Erythrocyte mean corpuscular volume|
|7880||RDW||788-0||Erythrocyte distribution width|
|35000012||HEMATOPATHOLOGY REVIEW||14869-2||Pathologist review|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.