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Oxalate, Plasma
2011697
Ordering Recommendation

Assess the body pool size of oxalate.

Mnemonic
POXAL
Methodology
Quantitative Spectrophotometry
Performed
Monday
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Patient should avoid ingestion of vitamin C for 24 hours prior to sample collection. 
Collect
Green (lithium heparin) or Lavender (EDTA) or pink (K2EDTA). 
Specimen Preparation
Place tube on wet ice immediately after collection.  Separate plasma from cells ASAP or within 1 hour of collection. Transfer 2 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1.5 mL) 
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Samples that are not plasma.  Samples not received frozen. 
Remarks
 
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 week 
Reference Interval
Less than or equal to 1.9 µmol/L
Interpretive Data


Compliance Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note
CPT Code(s)
83945
Components
Component Test Code*Component Chart NameLOINC
2011698Oxalate, Plasma15085-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases