Test ID BILID Bilirubin, Direct, Serum
Useful For
Evaluation of jaundice and liver functions
Method Name
Photometric, Diazo Method
Reporting Name
Bilirubin, DirectSpecimen Type
SerumShipping Instructions
Ship specimen in amber vial to protect from light.
Necessary Information
Patient's age and sex are required.
Specimen Required
Supplies: Amber Frosted Tube, 5 mL (T915)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Amber vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Within 2 hours of collection, centrifuge the specimen.
2. For serum gel tubes, aliquot serum into an amber vial within 6 hours. Protect from light.
3. For red top tubes, aliquot serum into an amber vial immediately. Protect from light.
4. Refrigerate or freeze serum.
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 24 hours | LIGHT PROTECTED |
| Frozen | 30 days | LIGHT PROTECTED | |
| Ambient | 6 hours | LIGHT PROTECTED |
Reference Values
≥12 months: 0.0-0.3 mg/dL
Reference values have not been established for patients <12 months.
Day(s) Performed
Monday through Sunday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82248
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| BILID | Bilirubin, Direct | 1968-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| BILID | Bilirubin, Direct | 1968-7 |
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Report Available
Same day/1 to 2 daysNY State Approved
YesForms
If not ordering electronically, complete, print, and send a Kidney Transplant Test Request with the specimen.