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Test Code LAB4028 BILIRUBIN, FRACTIONAL

Important Note

This test can be ordered when Direct and Total Bilirubin are ordered together. 

Additional Codes

Use this order for Seattle Children's "Bilirubin Total Group for SCCA and RSH" requests (Bilirubin Total - Seattle Children's Hospital). 

Synonyms: Bilirubin conjugated/unconjugated

Specimen Type

Preferred Sample: Lithium Heparin Plasma (PST, Mint Green Tube)
Alternative Sample:  Serum (Gold SST, Corvac, Tiger, Red Top Tube)

Collection Instructions

Protect from light

Specimen Volume

1.0 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily and STAT

Sample Stability

Room Temp: 1 day
Refrigerated: 7 days

Frozen: 3 months

Specimen Processing

Separate serum from cells ASAP. Protect from light. Store and transport refrigerated.

Method

Photometric, Calculation

Reference Ranges

Bilirubin, Total

0-30 days less than 11.7

1 mo-18 yrs less than 2.0

18-60 yrs 0.1-1.5

60-90 yrs 0.2-1.1

90 yrs+ 0.2-0.9

 

Direct 0.0-0.4

Indirect 0.3-1.0

Test Components

Bilirubin, Total, mg/dL;

Bilirubin, Direct, mg/dL;

Bilirubin, Indirect (CALC), mg/dL.

CPT Codes

82247, 82248