Test ID: Z2937
CPT code: 83945
Specimen Type: ACIDIFIED PLASMA FROM A GREEN SODIUM HEPARIN
Frequency: Setup: Mon-Fri; analytic time 3 days
Instructions: No Vitamin C supplements 24 hours prior and a 12 hour fast required. Draw green sodium heparin on ice and centrifuge within 1 hour. PH plasma to 2.3-2.7 with 10ul 12N HCl per 1 ml plasma. Freeze 5.0 ml plasma.
Text: Primary oxaluria is typically diagnosed by measuring oxalate levels in
urine. However, as kidney function decreases, the renal excretion of
oxalate also decreases.
Any client who has never drawn a specimen for this test should call
800-533-1710 or 507-266-5700 and ask for the renal lab for instructions.