Casandra
Casandra Test Code MC59730Version 1 (DRAFT)
Performing Lab
Aminolevulinic Acid, Urine
Clinical Use
Order TestUse
Assisting in the differential diagnosis of the acute hepatic porphyrias.
Special Instructions
Not provided.
Limitations
No significant cautionary statements noted.
Test Details
New York Approved
Methodology
Mass Spectrometry (LC-MS/MS)
Biomarkers
Aminolevulinic Acid (ALA)
AnalyteALA concentration
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Order Codes
- 34284-0 - D-ALA Ur-sCnc
Result Codes
- 34284-0 - D-ALA Ur-sCnc
- 59462-2 - Clinical biochemist review
- 18771-6 - Provider signing name
Result Turnaround Time
3-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
2 mL
Minimum Volume
1 mL
Container
Clean, plastic urine collection container; submission: plastic vial
Collection Instructions
Collect a random urine specimen.
Patient Preparation
Patient should not consume any alcohol for 24 hours before specimen collection.
Causes for Rejection
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 28 days |
| Frozen | 45 days |