Laboratory Services
Bilirubin, Direct
Print this pageUpdated Test Information:
| Test Description |
Bilirubin, Direct
|
|
|---|---|---|
| Synonym(s) |
DBILI, Direct Bilirubin, Conjugated Bilirubin
|
|
| Test ID |
DBIL
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| General Information |
Measurement of direct bilirubin is usually not necessary when the total bilirubin is <1.2 mg/dL.
|
|
| Specimen Type |
Serum
|
|
| Specimen Requirements |
SST
|
|
| Alternate Specimen Type |
Red, Li-heparin plasma
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| Specimen Collection / Processing Instructions |
SST - Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
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| Minimum Sample Volume |
Preferred volume 1mL
|
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| Pediatric Min. Volume (if applicable) |
500 uL
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| Additional Processing Details |
Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
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|
| Stability |
2 days at 20-25 ˚C
7 days at 2-8 ˚C 6 months at -20 ˚C |
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| Unacceptable Specimen Conditions |
Hemolyzed or lipemic specimens
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| Methodology |
Colorimetric
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| Estimated TAT |
0-2 days
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| Testing Schedule |
Monday-Saturday
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| CPT Code(s) |
82248
|
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| Reference Range |
0.0-0.3 mg/dL
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| Performing Lab |
Incyte Diagnostics
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| LOINC Code(s) |
1968-7
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