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Delta-Aminolevulinic Acid Quantitative, 24 hour urine

Item Value
Approval req'd? No
Available Stat? No
Test code ALAQ
Test group D-ALA
Performed by Quest
Sendout? Yes
Method Colorimetric
Collection Instructions Obtain a special brown 24 hour urine collection container from Specimen Receiving.

It is critically important that the sample be refrigerated and shielded from light during collection by covering container with aluminum foil.
Container type Brown 24 hour urine collection container.

Click here for Urine Preservative Requirements
Amount to Collect Entire 24 hour urine output
Sample type 24 hour urine collection
Preferred volume 15 mL urine
Min. Volume 3 mL urine
UCSF Rejection Criteria Sample not refrigerated during collection or shielded from light
Processing notes Freeze aliquot in dark pouroff container [ or wrap container in aluminum foil] at -20C. Record total urine volume on the request slip and on the urine container. Order Quest test # 219.
Units mg/24 h
Normal range < 4.5 mg/24 h
Synonyms ALA; D-ALA; DALA; D-aminolevulenic acid; Porphyrin precursors; Porphyria
Turn around times Test performed Tuesday and Thursday. Turnaround time: 2-7 days.
Additional information To convert mg/d to µmol/d (SI units) multiply by 7.626. This test should almost always be ordered in conjunction with Porphobilinogen (PBG) when the diagnosis of Acute Intermittent Porphyria is being considered.
CPT coding 82135-90
LOINC code 2200-4
Last Updated 6/21/2016 08:03:33
Entry Number 46
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