OXALATE BLD
Oxalate, Blood
EPIC Test Procedure Code: LAB3407
Performing Lab:
Referral Laboratory
Patient Preparation:
Patient should avoid ingestion of Vitamin C for 24 hours prior to sample collection.
Container Type:
Plain red top or green top (Sodium heparin) tube
Specimen Type:
Serum or Plasma
Preferred Volume:
2 mL
Minimum Volume:
0.7 mL
Collection Procedure:
No gel tubes!
Specimen Processing:
Promptly centrifuge with refrigeration and separate serum or plasma into chilled plastic serum transfer tube.
Store and Transport:
Frozen
Stability:
After separation from cells:
Frozen - 30 days
Refrigerated - 14 days
Room temperature - Not Stable
Unacceptable Condition:
Received Room Temperature. Gray top tube (Sodium Fluoride/ Potassium Oxalate). Polymer gel separation tube (SST or PST).
Limitations:
Known Interference(s): Oxalate [EZA]: ascorbic acid
CPT Codes:
83945 - Oxalate (EAP 30021096)
Method:
Enzymatic Assay (EZA)