Bilirubin, Neonatal Total
| Abbrev Code: | TBN | ||
| Order Code: | LAB1047 | Order Name: | Bilirubin, Neonatal Total |
| Synonyms: | LAB2125 LHE | ||
| Methodology: | Diazonium salt | ||
| CPT Codes: | 82247 x1, 82247 x1 | ||
| Test Includes: | Neonatal total bilirubin. Only to be ordered on neonate. Report includes time of birth and age calculated in hours. Order only up to two months of age. | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1.2 mL |
| Container: | Green (lithium heparin, no gel) Alternate Containers: Red (no gel) |
| Collection Instructions: | Protect from light |
| Causes for Rejection: | Hemolysis |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot within 2 hours of collection 0.5 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Architect: 1 day at room temperature; 7 days refrigerated; 6 months frozen. |
| Test Performed at or Referral Lab | Chemistry (Woodwinds) |
Interpretive
| Critical Range: | Hepatic Panel Critical Values and Reference Ranges |
| Reference Range: | Hepatic Panel Critical Values and Reference Ranges |
| Use: | Monitor jaundice in neonates. |
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