You may be trying to access this site from a secured browser on the server. Please enable scripts and reload this page.
Turn on more accessible mode
Turn off more accessible mode
Skip Ribbon Commands
Skip to main content
To navigate through the Ribbon, use standard browser navigation keys. To skip between groups, use Ctrl+LEFT or Ctrl+RIGHT. To jump to the first Ribbon tab use Ctrl+[. To jump to the last selected command use Ctrl+]. To activate a command, use Enter.
This page location is:
Tab 1 of 2.
Tab 2 of 2.
Top Link Bar
Point of Care Testing
Pathology Lab Manual
All Site Content
Aminolevulinic Acid 24 Hour Urine, ALA 24 Hour Urine
24 hour urine
Volume and Container
24 hour urine collection jug, protected from light
Storage and Transport
Urine aliquot stored frozen in Mayo amber vial until ready for transport to Mayo Medical Laboratory Rochester
Causes for Rejection
Specimens other than urine, urine aliquot received exposed to light, warm urine
Turn Around Time
3-10 business days from end of collection
Monday-Friday from 8 am-5 pm, except observed holidays
CPT / HCPCS Code
Assistance in the differential diagnosis of the various porphyrias; indicating lead toxication in children.
Mayo Medical Laboratory Rochester
Test performed on Tuesday, Thursday at Mayo Medical Laboratory Rochester
Add 25 mL of 50% acetic acid as preservative at start of collection. Use 15 mL of 50% acetic acid for ages <5. This is intended to achieve a pH of 2-4. Use amber vial to protect aliquot from light
See reference lab report
Limitations and Contraindications
Elevated values are found in several inherited and acquired conditions that are characterized by various degrees of delta-aminolevulinic aciduria.
CPOE Test Name
Ref Misc Referral Lab Test, type ALA 24U in Test Name REF
Created at 9/8/2014 5:57 PM by Bradshaw, Keir
Last modified at 9/8/2014 5:57 PM by Bradshaw, Keir
Use this page to add attachments to an item.