Test directory: D-Aminolevulinic Acid, 24 Hr Urine

Ordering Code 4759
Test Name D-Aminolevulinic Acid, 24 Hr Urine
Alias ALA
Delta Aminolevulinic Acid
Preferred Specimen Urine, 24 Hour
Preferred Container 24 Hour Urine Container
No Preservative
Other Specimen/Container Urine acidified with 6N HCl or glacial acetic acid.
Optimum Volume 20 mL
Collection Instructions Keep refrigerated during collection
Record entire 24 Hr Vol on container & requisition.
Handling Instructions Send a well-mixed 20 mL aliquot. Foil aliquot to protect from light.
Transport Requirements Oahu: Refrigerated
Airline: Frozen
Specimen Stability Ambient: Not Stable
Refrigerated: 1 Week
Frozen: 1 Month
Rejection Criteria Ambient, Not protected from light
Avail. Stat NO
Analytic Time Up to 10 Days
Methodology Colorimetric
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Total Volume ALL See report.
Delta ALA, 24 Hr Urine ALL See report.