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Test Code BILN Bilirubin Panel, Plasma

Specimen Type

Preferred: Plasma

Acceptable: Serum

Container

Preferred: Lithium Heparin (Mint Green or Dark Green)

Acceptable: Serum (Red Top tube or Gold SST)

Preferred Volume

5 mL

Offsite Collection Instructions

1. Specimen must be protected from light.  

2. Serum and plasma tubes should be centrifuged and aliquoted within 2 hours of collection.

3. Aliquoted samples could either be room temperature at 15-25°C or refrigerated at 2-8°C prior and during transportation.

4If above criteria are not met, specimen will be rejected.

UCMC Collection Instructions

1. Specimen must be protected from light.  

2. Samples need to be received in the lab within 2 hours of collection at room temperature.

3. Greater than 2 hours must be refrigerated at 2-8°C.

4. If the specimen cannot be sent to the lab within 6 hours of collection, it must be spun, aliquoted and refrigerated at 2-8°C.

5. All unspun specimens greater that 6 hours will be rejected. 

6. If above criteria are not met, specimen will be rejected.

 

Availability

24/7

Turnaround Time

4 hours

STAT Availability

Available

Test Methodology

Spectrophotometric, endpoint

CPT Code

82248, 82247

Test Includes

This panel contains the following tests: Total bilirubin (BILT), conjugated bilirubin (BC), and calculated unconjugated bilirubin (BU).

STAT Turnaround Time

1 hour

Reference Range

 

Age

BILT (mg/dL)

BC (mg/dL)

BU (mg/dL)

<24 h

1.0 - 6.0

0.0 - 0.6

1.0 - 6.0

24 - 48 h

2.0 - 8.0

0.0 - 0.6

2.0 - 8.0

3 - 5 d

4.0 - 12.0

0.0 - 0.6

4.0 - 12.0

6 - 14 d

0.6 - 7.0

0.0 - 0.6

0.6 - 7.0

>14 d

0.1 - 1.0

0.0 - 0.3

0.1 - 1.0

 

Critical Results

Total Bilirubin: age < 14 d: BILT >18 mg/dL

Test Limitations

total bilirubin – diazonium salt, spectrophotometric endpoint
direct bilirubin – diazo Jendrassik-Grof, spectrophotometric endpoint

Minimum Volume

2 mL

Fee Code

30182248, 30182247