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HelpTest Code Bilirubin,Total and Direct BILIRUBIN, T&D
Additional Codes
LAB182
Performing Laboratory
Porter Hospital Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube: Tiger top, serum gel
Also Acceptable: Green top (Lithium Heparin)
Specimen Volume: Full tube, submit 0.4 mL serum
Specimen Minimum Volume: 0.35 mL
Collection Instructions:
1. Send specimen in original tube.
2. Protect specimen from light.
3. If there is a delay in transport of >1 hour, centrifuge tube.
4. Centrifuged samples are stable for:
• 8 hours at room temperature
• 7 days at 2-8 °C
Specimen Transport Temperature
Refrigerated
Test Classification and CPT Coding
See each component.
Test Schedule / Analytical Time / Test Priority / Turn Around Time
Daily / 24 Hours / Available STAT / Routine - 4 Hours
STAT - 60 Minutes
Normal Reference Values
See each component.
Critical Values
*Expanded range as of 3/17/2025
Conjugated (Direct): *0 - 18 years: ≥1.0 mg/dL
Additional Information
Includes the following tests: BILIRUBIN, TOTAL AND DIRECT