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Test Code ALAUR Aminolevulinic Acid, Urine

Additional Codes

CNE Order Code: ALA Rand U

Reporting Name

Aminolevulinic Acid, U

Useful For

Assisting in the differential diagnosis of the acute hepatic porphyrias

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

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


 



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


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 28 days
  Frozen  45 days

Reference Values

< = 2.3 mmol/mol creatinine

Day(s) Performed

Monday through Friday

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

Interpretation

Abnormal results are reported with a detailed interpretation that may include an overview of the results and their significance, a correlation to available clinical information provided with the specimen, differential diagnosis, recommendations for additional testing when indicated and available.

Report Available

2 to 4 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)