Hemogram and Differential

What it measures

• White Blood Cell CountLOINC 6690-2
• Red Blood Cell CountLOINC 789-8
• HemoglobinLOINC 718-7
• HematocritLOINC 4544-3
• MCVLOINC 787-2
• MCHLOINC 785-6
• MCHCLOINC 786-4
• NeutrophilsLOINC 770-8
• Band NeutrophilsLOINC 764-1
• Absolute Band NeutrophilsLOINC 26507-4
• MetamyelocytesLOINC 740-1
• Absolute MetamyelocytesLOINC 30433-7
• MyelocytesLOINC 749-2
• Absolute MyelocytesLOINC 30446-9
• PromyelocytesLOINC 783-1
• Absolute PromyelocytesLOINC 26523-1
• Absolute NeutrophilsLOINC 751-8
• LymphocytesLOINC 736-9
• Reactive LymphocytesLOINC 13046-8
• Absolute LymphocytesLOINC 731-0
• MonocytesLOINC 5905-5
• Absolute MonocytesLOINC 742-7
• EosinophilsLOINC 713-8
• Absolute EosinophilsLOINC 711-2
• BasophilsLOINC 706-2
• Absolute BasophilsLOINC 704-7
• BlastsLOINC 709-6
• Absolute BlastsLOINC 30376-8
• Nucleated RBCLOINC 19048-8
• Absolute Nucleated RBCLOINC 30392-5
• Comment(S)LOINC 8251-1

Specimen

Specimen

Whole blood in a full EDTA (lavender-top) tube

Minimum volume

Microtainer 500 uL 1 mL whole blood from an EDTA (lavender-top) tube

Container

EDTA (lavender-top) tube

Temperature

Room temperature (do not refrigerate)

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.

Turnaround

Set up: Daily (Day shift and Night shift); Report available: 2 days

Billing

CPT 85004, 85014, 85018, 85041, 85048