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Test Code Billings Clinic: 4022 Bilirubin, Total, Plasma

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

  • Assessing liver function
  • Evaluating a wide range of diseases affecting the production, uptake, storage, metabolism, or excretion of bilirubin
  • Monitoring the efficacy of neonatal phototherapy

Methodology

Diazo Reaction

Specimen Requirements

Submit only 1 of the following specimens:

Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

 

Wrap specimen in foil to protect from light.


Plasma

  • Draw blood in a green-top (lithium heparin) tube(s).
  • Spin down and send 0.5 mL of heparinized plasma frozen.

 

Serum

  • Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
  • Spin down and send 0.5 mL of serum frozen

Storage/Stability

Specimen Type Temperature Time
Plasma Refrigerated 6 days
  Frozen (preferred) 4 months

 

Reject Due To

  • Specimens not protected from light

Reference Values

0 - 1 day                        0.0 - 7.9 mg/dL

1 - 2 days                      0.0 - 11.4 mg/dL

2 - 5 days                      0.0 - 11.9 mg/dL

5 days - 1 year              0.0 - 1.1 mg/dL

1 - 17 years                   0.0 - 1.4 mg/dL

> 17 years                     0.2 - 1.0 mg/dL 

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82247 - Bilirubin, total

LOINC Code Information

Reporting Name LOINC Code
Bilirubin, Total 1975-2