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Test Code BILIF Bilirubin, Fractionated

Additional Codes

  • Expanse Test Name: Bilirubin Fractionated, S
  • Medinet Ref Code: BILIF
  • OV Code: CHEM*BILIF

Performing Laboratory

St. Lukes Hospital Laboratory

Methodology

Doumas Reference Method/Modified Diazo

Specimen Requirements

Submit only 1 of the following specimens:
 
Plasma
Draw blood in a green-top (lithium heparin) plasma gel tube(s). Spin down and send 1 mL of lithium heparin plasma refrigerated. Avoid hemolysis, lipemia, direct sunlight, or prolonged exposure to fluorescent light.
Note:  1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
 
Serum
Draw blood in a serum gel tube(s). Spin down and send 1 mL of serum refrigerated. Avoid hemolysis, lipemia, direct sunlight, or prolonged exposure to fluorescent light.
Note:  1. Indicate serum on request form.
2. Label specimen appropriately (serum).

 

Unspun specimens must be transported at ambient temperature and arrive to the laboratory within one hour of draw.
 

 

 

Reference Values

Total Bilirubin

Infants:

Premature 
<24 hours:  10-14 mg/dL
24-48 hours:  10-14 mg/dL
3-5 days:  10-14 mg/dL

Full-term

<24 hours:  2-6 mg/dL
24-48 hours:  6-10 mg/dL
3-5 days:  4-8 mg/dL

>2 months 0.2-1.0 mg/dL
Critical value (automatic call-back)
Infants <2 months:  >15 mg/dL

 

Direct Bilirubin

0.0-0.2 mg/dL

 

Indirect Bilirubin

Not established

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

CPT: 82247-Total Bilirubin

CPT: 82248-Direct Bilirubin

LOINC: 1975-2-Total Bilirubin

LOINC:  1968-7-Direct Bilirubin