Home
HelpTest Code ALAUR Aminolevulinic Acid, Urine
Ordering Guidance
The preferred test for lead toxicity in children is blood lead; order either PBDV / Lead, Venous, with Demographics, Blood or PBDC / Lead, Capillary, with Demographics, Blood.
Necessary Information
Patient's age is required.
Specimen Required
Patient Preparation: Patient should not consume any alcohol for 24 hours before specimen collection.
Supplies: Urine Tubes, 10 mL (T068)
Collection Container/Tube: Clean, plastic urine collection container
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions: Collect a random urine specimen.
Useful For
Assisting in the differential diagnosis of the acute hepatic porphyrias
Special Instructions
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Aminolevulinic Acid, USpecimen Type
UrineSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 28 days | |
| Frozen | 45 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
<1 year: ≤10 nmol/mL
1-17 years: ≤20 nmol/mL
≥18 years: ≤15 nmol/mL
Day(s) Performed
Tuesday, Thursday
Report Available
3 to 7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82135
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| ALAUR | Aminolevulinic Acid, U | 34284-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 61547 | Aminolevulinic Acid, U | 34284-0 |
| 34347 | Interpretation (ALA), U | 59462-2 |
| 34348 | Reviewed By | 18771-6 |
Forms
If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.