IgG
Quest Diagnostics
Sample type: Serum
Requires fasting: No
Phlebotomy required
Details
IgG - Increased IgG is associated with acute and chronic inflammations, monoclonal IgG myeloma, autoimmune diseases; decreased IgG is found in selective IgG deficiency, Bruton's Disease, and acquired immune deficiency.
- Immunoglobulin G (IgG)
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Details
IgG - Increased IgG is associated with acute and chronic inflammations, monoclonal IgG myeloma, autoimmune diseases; decreased IgG is found in selective IgG deficiency, Bruton's Disease, and acquired immune deficiency.
What type of sample is required for this test?
2 mL serum
Test Resources
For more information, please consult your healthcare provider.
3–5 business days
Age Group Reference Range
Cord Blood 600–1600 mg/dL
1–28 days 250–600 mg/dL
1–3 months 200–600 mg/dL
4–6 months 160–590 mg/dL
7–11 months 160–800 mg/dL
1 year 280–1040 mg/dL
2 years 330–1120 mg/dL
3–5 years 390–1360 mg/dL
6–8 years 440–1470 mg/dL
9–11 years 480–1530 mg/dL
12–16 years 500–1590 mg/dL
17–60 years 600–1640 mg/dL
≥61 years 600–1540 mg/dL
Cord Blood 600–1600 mg/dL
1–28 days 250–600 mg/dL
1–3 months 200–600 mg/dL
4–6 months 160–590 mg/dL
7–11 months 160–800 mg/dL
1 year 280–1040 mg/dL
2 years 330–1120 mg/dL
3–5 years 390–1360 mg/dL
6–8 years 440–1470 mg/dL
9–11 years 480–1530 mg/dL
12–16 years 500–1590 mg/dL
17–60 years 600–1640 mg/dL
≥61 years 600–1540 mg/dL
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): 2 mL serum
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: Serum separator tube (SST)
- Transport Temperature: Room Temperature
- Specimen Stability:
- Room temperature: 72 hours
- Refrigerated: 7 days
- Frozen: 90 days
- Reject Criteria:
- Gross hemolysis • Hyperlipemic
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
