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Test Code LAB421 Oxalate, Urine, 24 Hour

Important Note

EFFECTIVE 11/17/23 unitl further notice

PLEASE SEND TO MAYO 

Sunquest ordering code

SQ to Path lab: UOX24H

SQ to Mayo: UOX24M

PERFORMING SITE

Pathology Laboratory

SPECIMEN COLLECTION

Container/Tube Type: 24 hour urine collection jug

Collection Information: Urine Urine must be refrigerated during collection.

Transport Information: 24 Hour Urine Collection

Remarks: Preferred - Collect an entire 24-hour urine output in a jug with 20 mL of 6M hydrochloric acid (50%) as a preservative. Label the jug as hazardous.
Acceptable - Random, unpreserved specimens

Specimens collected between 22-26 hours will be accepted as 24 hour specimens.  Anything less than 22 hours or greater than 26 hours  will be ordered as a "Random" specimen and should include a Period and Volume measurement.

CPT Codes

83945

Specimen Stability

Refrigerated Stability: 7 days

Frozen Stability: 1 month

Notes

Performed: Day of week varies

Analytical Time: 2 days

Alias

Oxalate