Test Code LAB0203356 Peritoneal Equilibration Test (PET) Chemistry, Peritoneal Dialysate and Plasma
Methodology
Colorimetric Reflectance Spectrophotometry (SP)
Includes a baseline creatinine, glucose, and urea nitrogen on plasma and a 0-, 2-, 4-, and 24-hour creatinine, glucose, and urea nitrogen on peritoneal dialysate fluid specimens.
Performing Laboratory
CentraCare Laboratory Services
Specimen Requirements
Peritoneal dialysate fluid and plasma are required.
Specimen Type: Peritoneal dialysate fluid
Container/Tube: Plastic container
Specimen Volume: 10 mL
Collection Instructions:
1. Collect specimen at 0-hours, 2-hours, 4-hours, and 24-hours each.
2. Label specimen appropriately (peritoneal dialysate fluid and corresponding collection time).
Specimen Type: Plasma
Container/Tube: Green top (lithium heparin)
Specimen Volume: 1 mL
Collection Instructions:
1. Spin down and remove plasma from cells within 1 hour of draw.
2. Label specimen appropriately (plasma).
Specimen Transport Temperature
Refrigerated
Reference Values
No established reference values
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82565-Creatinine, blood
82570 x 4-Creatinine, other source
82947 -Glucose, blood
82945 x 4-glucose, other source (PD fluid)
84520 x 5-BUN