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HelpTest Code LAB1231933 Aminolevulinic Acid, Urine
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Aminolevulinic Acid, USpecimen 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
Specimen Required
Patient Preparation: Patient must not consume any alcohol for at least 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:
1. Collect a random urine specimen.
2. No preservative
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 28 days |
| Frozen | 45 days |
Specimen Minimum Volume
1 mL
Special Instructions
Day(s) Performed
Monday through Friday
Specimen Retention Time
14 daysReport Available
2 to 4 daysReference Values
< = 2.3 mmol/mol creatinine
Useful For
Assisting in the differential diagnosis of the acute hepatic porphyrias
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 |
Disease States
- Porphyria
Forms
If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.