Specimen:

Plasma

Collection Medium:

Alternate
Collection Media:

Call laboratory for additional acceptable specimen collection 
containers.

Minimum:

7 ml whole blood for extra specimen (added to GTT series)

Testing
Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

2 hours (upon receipt in laboratory)

Comments:

CPT code = 82952

Test
Limitations:

Icterus: No significant interference up to an I index of 60 
(approximate conjugated and unconjugated bilirubin concentration: 60 
mg/dl).

Hemolysis: No significant interference up to an H index of 1000 
(approximate hemoglobin concentration 1000 mg/dl).

Lipemia (Intralipid): No significant interference up to an L index of 
1000 (approximate triglycerides concentration 2000 mg/dl). There is 
poor correlation between turbidity and triglycerides concentration.

Methodology:

Enzymatic

Sample
Processing:

Centrifuge at 3000 RPM for 10 minutes.
Centrifuge within one hour of draw time.
Label transport tube with two patient identifiers, date and time of 
collection.

Sample
Storage:

Refrigerate.

Transport
Instructions:

Transport in cooler with refrigerated coolant packs.
Place requisition into outside pocket of bag.
Place specimen into zip-lock type bag, seal bag.

CPT Code:

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