Test Code UAMA Aminolevulinic Acid, Urine
Additional Codes
St. Luke's Compendium Code (Iatric): L905.6147
Reporting Name
Aminolevulinic Acid, UUseful For
Assisting in the differential diagnosis of the acute hepatic porphyrias
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
UrineOrdering 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.
Specimen Minimum Volume
1 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 28 days | |
Frozen | 45 days |
Special Instructions
Reference Values
<1 year: ≤10 nmol/mL
1-17 years: ≤20 nmol/mL
≥18 years: ≤15 nmol/mL
Day(s) Performed
Tuesday, Thursday
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 |
Report Available
3 to 7 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Forms
If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.