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Test Code Fbili Bilirubin Fractionated

Aliases

Neonatal Bilirubin

Patient Preparation

No special patient preparation required

Special Collection Instructions

Take care with neonatal samples to protect from light. While the assay is sensitive to light absorption, this is most noticeable in the neonate care setting where values are closely monitored.

Collection Method

Venous collection

Minimum Volume

  • Adults: 0.8ml
  • Pediatric: 0.5mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST

  • Red Top

Plasma:
  • Light Geen Top (lithium heparin)

Reference or Target Ranges

See individual assays

Reportable Units

Varies

Critical Value

See individual assays

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
 30 mg/dL
Icterus Threshold
 N/A
Lipemia Threshold
 100 mg/dL
Other
 QNS, contaminated, improperly Labeled, improper specimen type, not protected from light

Specimen Stability



<!-- Stability -->
Ambient
 1 days
Refrigerated (4°C to 8°C)
 7 days
Frozen(-40°C to 0°C)
 6 months

Performance Information



<!-- Performance information -->
Days and Time Performed
 24/7
Expected Turn Around Time
 Stat: 1 hour
Routine: 4 hours
Stat Availability
 Yes
Performing Bench
 UH Chemistry, WCH Chemistry
Methodology/Method Description
  • Total bilirubin: Colorimetric diazo method
  • Direct bilirubin: Competition principle.

Special Handling

Protect from light

CPT Codes

82247; 82248

Panel Components

  • Total Bilirubin
  • Direct Bilirubin
  • Indirect Bilirubin