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Vanderbilt Pathology Laboratory Services

Test Directory



BILIRUBIN TOTAL BLOOD (TBR)

Department: Chemistry
Test Synonym(s): TBR
CPT Codes: 82247
Methodology: Diazonium Salt
Reference Range: Current Beckman 0 to 1 day: 0.2-6 mg/dL; 1day to 2 days: 0.2-7 mg/dL; 2 days to 5 days: 0.2-12 mg/dL; 5 days to 15 days: 0.2-10.5 mg/dL; CALIPER 15 days to < 1yr: 0.05-0.68 mg/dL; 1 yr to < 9 yrs: 0.05-0.4 mg/dL; 9 yrs to <12 yrs 0.05-0.55 mg/dL; 12 yrs to <15 yrs: 0.1-0.7 mg/dL; 15 yrs to < 19 yrs: 0.1-0.84 mg/dL; Abbott 19 yrs to 150 yrs: 0.2-1.2 mg/dL (Pediatric Reference Ranges only verified for serum, see CALIPER Study at CaliperDatabase.com)
Tube Type: Light green PST (Lithium Heparin with gel) tube - 4.5 mL
Specimen: Serum or Plasma
Alternate Specimen: EDTA, Sodium Heparin, Red top tube - 5 mL
Pediatric Requirements: 2 microtainers
Volume: 2 mL plasma
Minimum Volume: 0.5 mL plasma
Temperature: Separate within one hour and store/ship at ambient temperature until delivery
Stability: 20-25 C: 1 day; 2-8 C: 7 days; -20 C: 6 months; -80 C: 6 months
Reasons for Rejection: Hemolysis; improper collection, QNS
Days Performed: Daily
Times Performed: Continuous
Significance: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab
Special Instructions: Protect from light - If exchange specimen indicate "PRE" or "POST". Interferences from medications or endogenous medications may effect result.

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