Casandra
Casandra Test Code QD74398Version 1 (DRAFT)
Performing Lab
Delta Aminolevulinic Acid, 24-Hour Urine
Also known as: Aminolevulinic Acid, Porphyria, D-Aminolevulinic Acid, D-ALA, ALA
Clinical Use
Order TestUse
ALA is a precursor to uroporphyrin, coproporphyrin, and protoporphyrin. Concentrations of ALA are greatly increased in many patients with acute neurological forms of porphyrias and in some patients with chronic alcohol abuse.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Other
Biomarkers
Targets not provided.
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
2 mL from a 24‑hour collection
Minimum Volume
0.6 mL
Container
Urine from 24‑hour collection, plastic screw‑capped container
Collection Instructions
Collect entire 24‑hour urine. No preservative. Refrigerate during and after collection. Wrap container in aluminum foil to protect from light.
Storage Instructions
Refrigerated (cold packs) during transport
Causes for Rejection
Received at room temperature; not protected from light
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 7 days |
| Frozen | 30 days |