Aminolevulinic Acid, Urine
Use
Assisting in the differential diagnosis of the acute hepatic porphyrias.
Special Instructions
Ordering guidance: Preferred test for lead toxicity in children is blood lead (PBDV or PBDC). Patient’s age is required. Patient should not consume alcohol for 24 hours before specimen collection. If not ordering electronically, complete and send Biochemical Genetics Test Request (T798) with specimen.
Limitations
No significant cautionary statements noted.
New York Approved
Methodology
Mass Spectrometry (LC-MS/MS)
Biomarkers
LOINC Codes
- 34284-0
- 34284-0
- 59462-2
- 18771-6
Result Turnaround Time
3-7 days
Related Documents
For more information, please review the documents below
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 |