Bilirubin, Direct
Quest Diagnostics
Sample type: Serum
Requires fasting: No
Phlebotomy required
Details
Bilirubin, Direct - This test measures the level of conjugated bilirubin in the blood. Direct bilirubin is water-soluble and is produced when the liver processes waste products. This test is essential in assessing liver function and diagnosing liver diseases such as hepatitis, cirrhosis, and bile duct obstruction. It can also help detect conditions that cause increased destruction of red blood cells.
- Direct Bilirubin
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
This test measures the level of conjugated bilirubin in the blood. Direct bilirubin is water-soluble and is produced when the liver processes waste products. This test is essential in assessing liver function and diagnosing liver diseases such as hepatitis, cirrhosis, and bile duct obstruction. It can also help detect conditions that cause increased destruction of red blood cells.
- Yellowing of the skin and eyes
- Dark urine
- Itching
- light-colored stools
- Abdominal pain
- Fever or chills
Proper handling is crucial.
Plasma collected in: Lithium heparin (green-top) tube or sodium heparin (green-top) tube.
Serum transferred to an amber transport vial.
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
- Preferred Specimen(s): 1 mL serum - protected from light
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
- Transport Container: Foil-wrapped serum separated tube (SST)
- Transport Temperature: Room Temperature
- Specimen Stability:
- Room temperature: 24 hours (if protected from light)
- Refrigerated: 72 hours (if protected from light)
- Frozen: 90 days (if protected from light)
- Reject Criteria:
- Hemolysis • Anticoagulants other than heparin
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
