
Glucose
Quest Diagnostics
Sample type: Serum
Requires fasting: No
Phlebotomy required
Details
This test measures the level of glucose (sugar) in the blood. It's crucial for diagnosing and managing conditions related to the body's sugar levels, such as diabetes, low blood sugar (hypoglycemia), and issues with the pancreas..
- Glucose (Blood)
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Details
Glucose - This test measures the level of glucose (sugar) in the blood. It's crucial for diagnosing and managing conditions related to the body's sugar levels, such as diabetes, low blood sugar (hypoglycemia), and issues with the pancreas. Keeping an eye on your glucose levels helps in understanding how well your body is processing sugar.
What patients is this test right for?
This test is essential for individuals showing symptoms of high or low blood sugar.
High Blood Sugar Symptoms:
- Increased thirst
- Frequent urination
- Tiredness
- Blurred vision
Low Blood Sugar Symptoms:
- Shakiness
- Sweating
- Hunger
- Dizziness
- Confusion
- Feeling faint or weak
What type of sample is required for this test?
1 mL serum. A simple blood draw is needed.
2–5 business days
Fasting Reference Interval 65-99 mg/dL
Non-fasting Reference Interval 65-139 mg/dL
Non-fasting Reference Interval 65-139 mg/dL
Fasting for 8 hours before your blood draw is recommended but not required.
- Fasting before a blood draw means you don't eat or drink anything except water.
- Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.
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): 1 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: 4 days
- Refrigerated: 7 days
- Frozen: 28 days
- Reject Criteria:
- Unspun serum or plasma separator tube (SST or PST) • Red-top or green-top tube (serum or heparinized plasma not separated from cells) • Anticoagulants other than lithium heparin, sodium heparin or fluoride/oxalate
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island




