Oxalate, Plasma


Abbrev Code:OXALS   
Order Code:LAB5668Order Name:Oxalate Plasma
Methodology:Spectrophotometry
CPT Codes: 83945 x1
Turnaround Time:Specimens are sent to the reference laboratory Mon-Sat; results are reported within 1-5 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.



Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:3.2 mL
Container:Purple (EDTA) on ICE
Alternate Containers: Green (lithium or sodium heparin) on ICE
Collection Instructions:Place tube on wet ice immediately after collection.
Patient Preparation:Patient should avoid ingestion of vitamin C for 24 hours prior to sample collection.
Causes for Rejection:Samples that are not plasma. Samples that are not received frozen.


Processing and Shipping

Specimen Processing:Within 1 hour of collection, centrifuge and aliquot 2 mL, 1.5 mL minimum. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Shipping Instructions:Ship frozen.
Stability:After separation from cells: Plasma samples are stable for 1 week frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2011697


Interpretive

Reference Range:Less than or equal to 2.0 umol/L.


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