
Lymphocyte Subset Panel 2
Quest Diagnostics
Sample type: Whole blood
Requires fasting: No
Phlebotomy required
Details
Lymphocyte Subset Panel 2 - T-lymphocyte count assists in evaluating cellular immunocompetency.
- Lymphocytes
- % CD3 (Mature T Cells)
- Absolute CD3+ Cells
- % CD4
- Absolute CD4+ Cells
- % CD8
- Absolute CD8+ Cells
- CD4/CD8 Ratio
- % CD19 (B Cells)
- Absolute CD19+ Cells
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Details
Lymphocyte Subset Panel 2 - T-lymphocyte count assists in evaluating cellular immunocompetency.
What type of sample is required for this test?
5 mL whole blood collect in an EDTA (lavender-top) tube
Test Resources
For more information, please consult your healthcare provider.
2–5 business days
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:
Quest Diagnostics Patient Service Centers (PSC)
- Location: Visit a nearby Quest Diagnostics Patient Service Center.
- Cost: $10 sample collection fee (paid during lab order checkout).
- Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
- More Info: Quest Diagnostics blood draw guide
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- More Info: Getlabs blood draw guide
Specimen
- Preferred Specimen(s): 5 mL whole blood collect in an EDTA (lavender-top) tube
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: EDTA (lavender-top) tube
- Transport Temperature: Room Temperature
- Specimen Stability:
- Room temperature: 72 hours
- Reject Criteria:
- Hemolysis • Lithium heparin (green-top) tube • ACD (yellow-top) tube • Clotted
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island




