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HelpTest Code 109 Bilirubin, Total
Additional Codes
ALAB: TBILI
PowerChart: Bilirubin Total
MA Cerner: Bilirubin Total.
Test Method
MercyOne: Timed Endpoint, Diazo; Beckman DxC700AU
MA: Colorimetric Diazo Method; Roche Cobas 6000
Specimen Requirement
0.5 mL plasma or serum is required.
Additional Specimen Collection Information
Collect blood in a lithium heparin, green-top or red-top tube. PST and SST (gel tubes) are acceptable. Serum or plasma should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Hemolyzed specimens are not acceptable. Samples with >3+ lipemia must be cleared prior to analysis. Protect from light.
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.
Expedite orders: Typically completed within 1 hour after the specimen arrives at the testing site.
STAT orders: Typically completed within 30 minutes after the specimen arrives at the testing site.
Reference Values
≥ 5 Days of Age:
- Total: 0.3-1.2 mg/dL
Infant:
Premature:
Values in premature infants may be higher than in full term infants and may reach peak concentrations at later times.
Full Term:
- Total: Birth-24 hours: < 5.8 mg/dL
- Total: 24-48 hours: < 8.2 mg/dL
- Total: 2-5 days: < 11.7 mg/dL
- Critical Value: Total Bilirubin (Infant-1 Month): ≥ 16.0 mg/dL
CPT Code Information
82247 Chemistry: Bilirubin; total
Useful For
Assessing liver function
Evaluating a wide range of diseases affecting the production, uptake, storage, metabolism, or excretion of bilirubin
Monitoring the efficacy of neonatal phototherapy
LOINC Code Information
1975-2 Bilirubin.Total [Mass/Volume] In Serum Or Plasma