Test Code TBIL Bilirubin, Total
Additional Codes
EPIC | LAB4027 |
Clinical Significance
Bilirubin measurements are used in the diagnosis and treatment of liver, hemolytic, hematological, and metabolic disorders, including hepatitis and gall bladder block.
Source: Beckman Coulter Unicel, TBIL IFU. REF #442745, #476861 12/13/16
Methodology
Timed endpoint diazo method (Beckman Coulter UniCel DxC 660i)
Sample Type
Preferred Sample Type | |
---|---|
Light green top - Plasma |
Acceptable Sample Type(s) | |
---|---|
Dark green top - Plasma | |
Yellow top - Serum | |
Red top - Serum |
Centrifuge: Yes
Specimen Minimum Volume
0.3 mL
Specimen Stability
Temperature | Time |
---|---|
Ambient (18-25°C) | 8 hours |
Refrigerated (2-8°C) (store) | 48 hours |
Frozen (-15 to -20°C) | 1 month |
Separate plasma or serum from cells within 2 hours.
Reference Ranges
Normal Ranges | |
---|---|
Age | Units (mg/dL) |
>18 years old | 0.1 - 1.5 |
1 month - 18 years | 0.1 - 1.0 |
3 days - 1 month | 4.0 - 12.0 |
2 - 3 days | 6.0 - 7.0 |
0 - 2 days | 2.0 - 6.0 |
Critical Values | |
---|---|
Age | Units (mg/dL) |
>18 years old | N/A |
1 month - 18 years | >15.0 |
3 days - 1 month | >15.0 |
2 - 3 days | >15.0 |
0 - 2 days | >15.0 |
Technical Range |
---|
0.1 - 30.0 mg/dL |
Rejection Criteria
Hemolysis | 1+ or greater, reject* |
---|---|
Icterus | N/A |
Lipemia | 2+ or greater, ultracentrifuge |
*For samples exceeding hemolysis requirements for infants, results can be released at the request of the provider/RN. The level of hemolysis is documented along with the message:
"Hemolysis is known to interfere with bilirubin assays, interpret results with caution. Provider notified and sample run per provider request."
Availability
Performed | STAT |
---|---|
24/7 | Yes |
Performing Laboratory
MultiCare Yakima Memorial Hospital Laboratory
Lab Department
Chemistry
CPT Code
82247
LOINC
1975-2 Bilirubin [Mass/Vol]