Bilirubin, Total
Test code
CPT code(s)*
Test resources
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Details
Methodology
Spectrophotometry (SP)
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum - protected from light |
| Alternative specimen(s) | Plasma collected in: Lithium heparin (green-top) tube or sodium heparin (green-top) tube • Serum transferred to an amber or non-light protected transport vial |
| Minimum volume | 0.5 mL |
| Collection instructions | Protect from light by wrapping a spun SST in foil or transferring serum or plasma to an amber transport vial. Avoid hemolysis. |
| Transport container | Spun serum separator tube (SST) Foil-wrapped spun SST Amber plastic screw-cap vial Foil-wrapped plastic screw-cap vial Transport vial |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 72 hours* Refrigerated: 72 hours* Frozen: 90 days* *If protected from light |
| Reject criteria | Hemolysis • Anticoagulants other than heparin |
Reference Range(s)
| ≤1 Day | ≤5.1 mg/dL |
| 2 Days | ≤7.2 mg/dL |
| 3-5 Days | ≤10.3 mg/dL |
| 6-7 Days | ≤8.4 mg/dL |
| 8-9 Days | ≤6.5 mg/dL |
| 10-11 Days | ≤4.6 mg/dL |
| 12-13 Days | ≤2.7 mg/dL |
| 14 Days-9 Years | 0.2-0.8 mg/dL |
| 10-19 Years | 0.2-1.1 mg/dL |
| ≥20 Years | 0.2-1.2 mg/dL |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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