OXALATE, URINE

Synonyms: Oxalic Acid; Oxalate, Quantitative, 24-Hour Urine
Computer Code: (ROXAL)
Specimen Collection: 24 hour urine collection (HCL bottle, plain bottle acceptable if pH'd upon receipt, pH <3 with HCL).
Minimum Volume: 2.5 mL
Handling Instructions for Offsite Areas: Refrigerate 30 mL aliquot. pH must be <3. Document total volume and urine collection duration on requisition.
Reference Values: See reference laboratory report.
Lab Code: Send Out
Requisition: SPEC C
Test Frequency: NA
Routine TAT: 3 days
Stat TAT: N/A
CPT Code(s): 83945
LCD or NCD:
Methodology Used:
See Addendum XVII