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Test Code SQ BILTDI, EPIC LAB168 Bilirubin, (Direct, Indirect, and Total) Plasma

Methodology

Direct: Jendrassik-Grof

Total: Diazo Method

Indirect: Calculated

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Neonates

Specimen Type: Plasma

Container/Tube: Light-green top (lithium heparin gel) microtube

Specimen Volume: 0.5 mL

Collection Instructions:

1. Avoid hemolysis.

2. Protect specimen from light.

 

Adults

Specimen Type: Plasma

Container/Tube: Light-green top (lithium heparin gel)

Specimen Volume: 1 mL

Collection Instructions:

1. Avoid hemolysis.

2. Protect specimen from light.

Specimen Transport Temperature

Refrigerated

Reference Values

TOTAL

Critical values (automatic call-back)

<7 days: ≥15.0 mg/dL
>7 days: ≥10.0 mg/dL

 

DIRECT

<1 week: 0.0-0.9 mg/dL
≥1 week: 0.0-0.3 mg/dL

 

INDIRECT

0.2-1.4 mg/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82247-Total

82248-Direct