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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)

Specimen Volume

1.0 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Components

Bilirubin, Total, mg/dL;

Bilirubin, Direct, mg/dL;

Bilirubin, Indirect (CALC), mg/dL.

Test Schedule

Daily and STAT

Sample Stability

Room Temp: 1 day
Refrigerated: 7 days

Frozen: 3 months

Method

Photometric, Calculation

Reference Ranges

Bilirubin, total, mg/dL
0 up to 7 Days Refer to bilitool.org
7 days up to 15 Days 0.2 - 16.6
15 Days up to 1 Year <0.8
1 year up to 9 Years <0.5
9 years up to 12 Years <0.7
12 years up to 15 Years <0.8
15 years up to 19 Years <0.9
19 Years and older 0.3 - 1.2
Bilirubin, direct, mg/dL
0 up to 15 Days 0.3 - 0.7
15 Days up to 1 Year <0.4
1 year up to 9 Years <0.3
9 years up to 13 Years <0.4
13 years up to 19 Years <0.5
19 Years and older <0.6

 

Indirect 0.3-1.0

CPT Codes

82247, 82248

Specimen Processing

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

Collection Instructions

Protect from light