Oxalate, Plasma

Centralized Core Laboratory:Chemistry

Test ID/Workstation: OXAP MAYO

Specimen Type: Blood

Tube Type: Green top (sodium heparin)

Collection Volume: 10mL (minimum 5.0mL)

Cause for rejection: Non- heparinized specimen

Storage: Frozen

Availability: Sent to reference lab; Mon-Fri

Methodology: Ion Chromatography (IC)

Special Instructions: Fasting 12 hours is recommended. Patient should avoid taking vitamin C supplements for 24 hours prior to draw.

Place on wet ice immediately. Centrifuge within 1 hour of the draw and freeze. Reference lab will adjust the pH of the specimen.

Lab/Phone: 330-543-8418

TAT: 3-7 days

Additional Info: Reference range <1.6 mcmol/L

CPT Code: 83945

Requisition Form
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