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Test Code ALAUR Aminolevulinic Acid (ALA), Urine

Additional Codes

 

MAYO Test ID

ALAUR

EPIC Test ID

LAB3333

 

Reporting Name

Aminolevulinic Acid, U

Useful For

Assistance in the differential diagnosis of the various acute hepatic porphyrias

Testing Algorithm

The following algorithms are available in Special Instructions:

-Porphyria (Acute) Testing Algorithm

-Porphyria (Cutaneous) Testing Algorithm

Method Name

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

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Urine


Necessary Information


Patient's age is required.



Specimen Required


Container/Tube: Plastic, 10-mL urine tube (T068)

Specimen Volume: 2 mL

Collection Instructions:

1. Patient should abstain from alcohol for 24 hours prior to and during testing.

2. Collect a random urine specimen.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 28 days
  Frozen  45 days

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

<1 year: ≤10 nmol/mL

1-17 years: ≤20 nmol/mL

≥18 years: ≤15 nmol/mL

Day(s) and Time(s) Performed

Tuesday, Thursday; 8 a.m.

CPT Code Information

82135

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ALAUR Aminolevulinic Acid, U 34284-0

 

Result ID Test Result Name Result LOINC Value
61547 Aminolevulinic Acid, U 34284-0
34347 Interpretation (ALA), U 59462-2
34348 Reviewed By No LOINC Needed

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Analytic Time

3 days (not reported Saturday or Sunday)

Forms

New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions.