Aminolevulinic Acid (ALA), Urine (Sendout)

General Information

Lab Name

Lab Code

241

External Test Id

ALAUR

Description

Useful For: Assistance in the differential diagnosis of the acute hepatic porphyrias.

Patient Preparation: Patient should refrain from alcohol consumption 24 hours prior to and during collection.

Synonyms

5-Aminolevulinic Acid, ALAUR, Delta-Aminolevulinic Acid

Components

Method

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

Reference Range

Ref. Range Notes

Reference Value:

<= 2.3 mmol/mol creatinine

Specimen Type

Urine

Collection

Collect Random Urine in a screw-cap urine collection container.

Handling Instructions

Outside Laboratories: Transfer 1-2 mL urine to a separate, screw-cap tube and refrigerate while awaiting shipment. Transport with a cold pack.

Stability: Refrigerated (preferred): 28 days; Frozen: 45 days; Ambient: Unacceptable.

Quantity

Requested: 2 mL Urine
Minimum: 1 mL Urine

Receiving Instructions

Aliquot urine (min 1 mL) into a separate plastic, screw-cap vial and refrigerate.

Login: SEND1-;REFRIG URINE

Sendouts:

Stability: Refrigerated (preferred) 28 days; Frozen: 45 days; Ambient: Unacceptable.

Lab Department

Frequency

Performed: Monday through Friday. Report Available: 2-4 days from sample receipt at Mayo Clinic Lab.

Available STAT?

Performing Location(s)

Sendout	Mayo Clinic Laboratories 800-533-1710 200 First Street Southwest Rochester, MN 55901