Test Code NBILI Bilirubin, Neonatal, Plasma or Serum
Performing Laboratory
Chilton Hospital Laboratory-Chemistry
Methodology
Colorimetric
Note: This test can only be ordered on infants <15 days.
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel) Microtainer, red top Microtainer
Specimen Volume: Full tube
Collection Instructions: Protect specimen from light.
Specimen Transport Temperature
Ambient
Reference Values
TOTAL BILIRUBIN
1.0-10.5 mg/dL
Critical values (automatic call-back):
Infants <24 hours: ≥6.0 mg/dL
Infants 24-48 hours: ≥12.0 mg/dL
Infants >48 hours: ≥15.0 mg/dL
UNCONJUGATED BILIRUBIN
0.6-10.5 mg/dL
CONJUGATED BILIRUBIN
0.0-0.6 mg/dL
Day(s) Test Set Up
Monday through Sunday
Available STAT
Turnaround Time:
Routine-4 hours