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Test ID:
BILID
Bilirubin Direct, Serum/Plasma
Orderable by Ontario ND
Test Overview
Method
Spectrophotometry - kinetic
Result Included
Bilirubin Direct
Aliases/Synonyms
Conjugated Bilirubin
Specimen
Specimen Type
SerumPlasma (Heparin)
Volume
Sample Volume
0.5 mL
Specimen Comment
Gel-separator tubes are acceptable.
Collection & Handling
Collection Instructions
Amber microtainer preferred for newborn samples
Handling Information
Protect specimen from light during collection, transport and storage.
Separate within 2 hours of collection.
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| 4 hours | 7 days | 3 months |
Bilirubin is photosensitive and specimens should be protected from light. Use of amber transfer vials is encouraged.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Hemolysis | Gross |
| Specimen | Not protected from light |
Performance & Interpretation
Turnaround Time
2 Days
Results
Name
Units
Reference Range
Conversion
-
Bilirubin Directµmol/L0 - 14 days: 4 - 9
15 days - < 19 yr: 0 - 4
19+ 0 - 4
Referral Location
Canada
Test Version
Last Updated
2024-09-03