Alberta Precision Laboratories

--- Query Results ---

Organization:

Alberta Precision Laboratories

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

Oxalate, 24 Hour Urine
Oxalate, Urine, Random - Calgary Zone (CLS)

Test Code:

24 HOUR: UOXD AND U24H
RANDOM: UOXR

Primary Container:

See Collection Information Below

Specimen Collection Requirements:

Refer to the University of Alberta Hospital, see Oxalate, Urine

If Sulfamic acid is not available, HCl is also an acceptable preservative. See HCl for Urine Preservation. Direct patient to obtain container with 25 mL of 6N HCl from Beddington or Riverbend PSC or RRL Outpatient labs. HCl is not available at any other PSC.

Specimen may be dropped off at any PSC after collection is complete.

24 hour:
Specimen collection container must have preservative pouch(es) added BEFORE collection.

Patient Age	Amount of Sulfamic Acid Preservative
Up to 1 month	No preservative required. Upon receipt in lab, immediately measure volume and aliquot for HIAA and urine creatinine. Freeze HIAA aliquot; once frozen, send to DSC
1 up to 2 months	2 x 0.5 g pouches
2 up to 4 months	3 x 0.5 g pouches
4 up to 12 months	4 x 0.5 g pouches
12 months up to 4 years	5 x 0.5 g pouches
Greater than or equal to 4 years	7 g pouch in each 4 liter container collection

Store in a cool, dark place during collection. Refrigeration is acceptable.

Submit 50 mL aliquot of 24 hour urine.

Random:
Submit random urine collection.
Do not acidify (acidification will be done at the DSC.)
Refrigerate if there will be a delay in sending specimen to the DSC.

Processing:

Send specimen in a separate bag with a photocopy of the requisition.

Extra-regional:
Transport on ice to DSC.
Send specimen in a separate bag with a photocopy of the requisition.

DSC:
24 hour (UOXD): Freeze specimens upon receipt; ensure frozen specimens do not thaw.
Random (UOXR): Refrigerate specimens.

DSC Referrals:
Random oxalates: Take to Immunochemistry for acidification, and freeze.

Testing Area:

Referred Out

Performing Site:

Testing referred out to University of Alberta Hospital

Additional Test Information:

Patient should not take Vitamin C supplements during collection.
Spinach, rhubarb, chocolate or coca cola should be avoided for 24 hours prior to and during collection if not wanting to assess dietary intake.

Last Updated On:

Tuesday, April 5, 2022