TPN Profile (Total Parenteral Nutrition)
Methodology
Test Utility
This panel is used to monitor patients that are on TPN to prevent the complications of refeeding syndrome.
Specimen Collection and Preparation
Serum sample in the following tubes:
Serum separator tube (gold or tiger top), minimum 6mL
Specimen Storage and Stability
Sample should be fully clotted and centrifuged at 3000 rpm for 15 minutes within 1 hour of collection, and serum separated as soon as possible.
Store serum at the following temperatures:
Room temperature: 15°C to 25°C no longer than 8 hours
Refrigerated: 2°C to 8°C up to 48 hours
Frozen: -20°C or lower up to 2 months
Specimen Rejection
Insufficient sample volume
Sample not stored at proper temperature
Frozen whole blood
Hemolyzed samples
Severely lipemic specimens
Specimen labeled incorrectly or not labeled
Reference Pages
Performed
Monday – Saturday
Result available within 24 hours of receipt in laboratory
NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal
Contacts
Vibra Health Laboratory
1307- A, Allen Dr
Troy, MI 48083
(248) 846-0663