Sign in →

Test Code ALARU Aminolevulinic Acid (ALA), Random Urine

Clinical Indications

Evaluate suspected aminolevulinic acid dehydratase deficiency (ADP) porphyria or hereditary tyrosinemia.

Additional Test Codes

Epic Order Name: AMINOLEVULINIC ACID (ALA) RANDOM URINE (aka ALARU)
Sunquest Order Code: ALARU
Epic Px Code: LAB6324

Specimen Collection Type

Random urine (no preservative)

Minimum Collection Volume

1.2 mL

Reference Range

Components

Reference Interval

Aminolevulinic Acid - per volume

0-35 µmol/L

ALA, Random Urine - ratio to CRT

By Report

Critical Value

N/A

Interpretation

Increased ALA concentration is associated with exposure to alcohol, lead, and a variety of other agents. Massive elevation of ALA occurs in the acute porphyrias and hereditary tyrosinemia.

Rejection Criteria

Body fluids other than urine.

Specimen Availability for Add-on Testing

1 day

Specimen Stability

Frozen (preferred): 1 month
Refrigerated: 4 days
Ambient: Unacceptable

Day(s) Performed

Mon, Wed, Fri

Performing Lab - Department

TUKHS-BH-Mail Outs

CPT Code

82135

LOINC Code

N/A

Test Alias

5-Aminolevulinic Acid
ALA
Delta-ALA
Delta-Aminolevulinic Acid

Additional Information / Notes

Specimen preservation with acid or base may interfere with results. If collected urine will be used for additional testing, remove the ALA aliquot before adding any acid or base preservatives.