--- Query Results --- | |||
| Organization: | Alberta Precision Laboratories | ||
| Test Name/Synonym: | Porphobilinogen, Quantitative, Urine, Random (UPBG) | ||
| Clinical Indications: | First-line test for evaluation of a suspected acute porphyria: acute intermittent porphyria, hereditary coproporphyria, and variegate porphyria. Monitoring patients undergoing treatment for an acute porphyria | ||
| Test Includes: | Porphobilinogen, quantitative, urine, random and creatinine, urine, random. | ||
| Shipping and Handling Alert: | Specimens not protected from light will be cancelled. | ||
| LABID (Connect Care): | LAB4669 | ||
| Specimen Type: | Urine | ||
| Primary Container: | STERILE CONTAINER | ||
| Alternate Containers: | NON-STERILE CONTAINER | ||
| Minimum Collection Volume: | 20 mL (2 x 10 mL amber tube aliquots) | ||
| Specimen Collection Requirements: | Collection of specimen is ideal during or following an acute attack. | ||
| Test Resources: |
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| Stability and Storage: | 7 days at 2 - 5 °C 1 month at - 20°C. | ||
| Processing: | Specimen must be protected from light. Aliquot into 2 amber screw top aliquot tubes immediately after collection, and freeze. (Extra aliquot label will need to be printed) If amber aliquot tubes unavailable, completely wrap samples in foil. | ||
| Transportation: | Transport frozen | ||
| Routine Turn Around Time: | 3 weeks | ||
| Testing Schedule: | Batched If there is a very high clinical suspicion for acute porphyria, page the Clinical Biochemist on call to expedite testing. | ||
| Reference Interval: | Less than 1.7 µmol/mmol | ||
| Testing Area: | Biochemistry | ||
| Performing Site: | Edmonton Zone: University of Alberta Hospital | ||
| Additional Test Information: | Testing is performed by Edmonton Special Chemistry.
If 24 h collection is required, contact Clinical Biochemist for approval. | ||
| Last Updated On: | Monday, January 27, 2025 | ||
