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General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB0202747 Bilirubin, Neonatal, Plasma or Serum

Methodology

Diazonium Salt

Includes direct and indirect bilirubin.

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen Type: Plasma

Container/Tube:

Preferred: Green-top (lithium heparin) MICROTAINER

Acceptable: Serum(Red top, Separator - Gold Top), Na Heparin (label specimen appropriately)

Specimen Volume: 0.5 mL

Minimum volume: 0.2 ml

Collection Instructions: Protect specimen from light.

Specimen Transport Temperature

Refrigerated

Reference Values

Total:

0-1 day: <5.8 mg/dL

1-3 days: <8.2 mg/dL

3-14 days: <11.7 mg/dL

>14 days: 0.2-1.2 mg/dL

Direct:  0.0-0.5 mg/dl

Indirect:  0.0-0.7 mg/dl

Critical value (automatic call-back): ≥17.0 mg/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82247-Bilirubin, total
82248-Bilirubin, direct