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Test Code TBIL Bilirubin, Total

Important Note

Photosensitive, protect from light following collection.

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]