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  • Bilirubin, Neonatal

Bilirubin, Neonatal

Includes: Conjugated and Unconjugated Bilirubin

Tube Type

Test ID   LAB51A
EPIC Order
  BILIRUBIN, NEONATAL
CPT Code(s)   82247
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:

Spun/Separated:

4 hours

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

Availability   24 hours/day
Turnaround Time   STAT 1 hr., Routine 2 hrs.
Reference Range Normal: see Table below
  Critical:  >14.9 mg/dl if <1 month old
     
 
Comments
--Protect from Light
--Order on Infants <15 days old, or in continuation of following patients' bilirubin from birth.

 Reference Ranges: Neonatal Bilirubin

  Age Range: mg/dL
NBil
0-1 days  < 5.8
   1-2 days  < 8.2
   3-5 days  < 11.7
   6 days - 34 days  Variable
  >34 days  < 1.2
   
Bc
0-15 days
≤0.6
  >16 days 0.1
   
Bu
0-1 days
<5.8
  1-2 days
<8.2
  3-5 days
<11.7
  6 days - 34 days
Variable
  >34 days ≤1.2

Reviewed by Karen Hrischuk on December 13, 2019

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

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