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Test Code BILI3 Bilirubin, Serum


Shipping Instructions


Ship specimen in amber vial to protect from light.



Necessary Information


Patient's age and sex are required.



Specimen Required


Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Amber vial

Specimen Volume: 1 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged, and the serum aliquoted into an amber vial within 2 hours of collection.


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

Profile Information

Test ID Reporting Name Available Separately Always Performed
BILIT Bilirubin Total, S Yes Yes
BILID Bilirubin, Direct Yes Yes

Method Name

Total Bilirubin: Photometric, Diazonium Salt

Direct Bilirubin: Colorimetric Diazo Method

Reporting Name

Bilirubin, S

Specimen Type

Serum

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 24 hours LIGHT PROTECTED
  Frozen  30 days LIGHT PROTECTED
  Ambient  6 hours LIGHT PROTECTED

Reject Due To

Gross hemolysis Reject

Reference Values

Direct Bilirubin

≥12 months: 0.0-0.3 mg/dL

Reference values have not been established for patients who are younger than 12 months of age.

 

Total Bilirubin

0-6 days: Refer to www.bilitool.org for information on age-specific (postnatal hour of life) serum bilirubin values.

7-14 days: 0.0-14.9 mg/dL

15 days to 17 years: 0.0-1.0 mg/dL

≥18 years 0.0-1.2 mg/dL

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

82247-Bilirubin, total

82248-Bilirubin, direct

LOINC Code Information

Test ID Test Order Name Order LOINC Value
BILI3 Bilirubin, S 34543-9

 

Result ID Test Result Name Result LOINC Value
BILID Bilirubin, Direct 1968-7
BILIT Bilirubin Total, S 1975-2