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- Ordering Info
To view specimen requirements and codes please select your laboratory:
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Hemogram and Differential
85004, 85014, 85018, 85041, 85048
Whole blood in a full EDTA (lavender-top) tube
Microtainer 500 uL
1 mL whole blood from an EDTA (lavender-top) tube
If multiple draw, collect EDTA (lavender-top) tube last. Mix by gently inverting 8 times. Traumatic tap can introduce thromboplastin and trap White Blood Cells and platelets. Refrigeration can precipitate fibrin and trap White Blood Cells and platelets. Maintain specimen at room temperature. Do not refrigerate.
EDTA (lavender-top) tube
Room temperature (do not refrigerate)
Room temperature: 48 hours
Gross hemolysis • Clotted
Electronic Cell Sizing, Sorting/Cytometry/Microscopy
|Quest Diagnostics Inc-Auburn Hills|
|4444 Giddings Road|
|Auburn Hills, MI 48326-1533|
Set up: Mon-Sat (a.m. and p.m.); Report available: 1-2 days
A complete blood count is used as a screening test for various disease states including anemia, leukemia and inflammatory processes.
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|
|30000000||WHITE BLOOD CELL COUNT||6690-2||Leukocytes|
|30000100||RED BLOOD CELL COUNT||789-8||Erythrocytes|
|30000400||MCV||787-2||Erythrocyte mean corpuscular volume|
|30000500||MCH||785-6||Erythrocyte mean corpuscular hemoglobin|
|30000600||MCHC||786-4||Erythrocyte mean corpuscular hemoglobin concentration|
|30001100||BAND NEUTROPHILS||764-1||Neutrophils.band form/100 leukocytes|
|30001110||ABSOLUTE BAND NEUTROPHILS||26507-4||Neutrophils.band form|
|30002000||REACTIVE LYMPHOCYTES||13046-8||Lymphocytes.variant/100 leukocytes|
|30003600||NUCLEATED RBC||19048-8||Erythrocytes.nucleated/100 leukocytes|
|30003610||ABSOLUTE NUCLEATED RBC||30392-5||Erythrocytes.nucleated|
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.