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Labcorp Oklahoma, Inc.
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Delta Aminolevulinic Acid, Random Urine

Order Name DELT ALA R
Test Number: 3601050
Revision Date 10/18/2017
Test Name Methodology LOINC Code
Delta Aminolevulinic Acid, Random Urine
Colorimetric 13728-1 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (0.6 mL) Urine, Random Sterile Urine container Refrigerated
Instructions Do not use first morning void, a late evening specimen after 8pm or after excessive fluid intake is preferrable.
Do not use preservatives, Keep Refrigerated.
Wrap container in aluminum foil to keep LIGHT PROTECTED!
Specimen Stability Room temperature: Unacceptable Refrigerated: 7 days Frozen: 30 days
Reject Criteria Received room temperature • Not protected from light
GENERAL INFORMATION
Testing Schedule Tue, Thr 
Expected TAT 1-4 days from set up  
Clinical Use The usual first step in the diagnosis acute intermittent porphyria. 
Notes Reference Lab: Quest
Test Code: 6301
Click Here to view information on the Quest website.
CPT Code(s) 82135
Lab Section Reference Lab