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Available Tests

  • Bilirubin, Unconjugated

Bilirubin, Unconjugated

Tube Type

Test ID  
EPIC Order   Lab order only (order Neonatal Bilirubin or Bilirubin Subfractions)
CPT Code(s)   82248
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine: 1 mL blood/serum separator tube/gold top/red top acceptable
  micro: 200 µL blood/serum separator bullet/gold top/red top
Stability Unspun:

Room Temperature: 4 hours
Refrigerator: 7 days
Frozen: 6 months

Availability Routine: 24 hrs/day
  STAT: Yes
Turnaround Time   STAT 1 hr., Routine 2hr.
Reference Range Normal: see Tablebelow
  Critical: >14.9 mg/dL (for 0-1 year)

Protect from Light; For adult testing see Bilirubin Subfractions(BUBC)

Reference Ranges: Unconjugated Bilirubin
Age Range:  mg/dl
0-1 days <5.8
1-2 days <8.2
3-5 days <11.7
6 days - 1 mo Variable
1 mo + <1.2

Reviewed by gloria_crawford on December 13, 2017

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514