Inpatient and Outpatient Orderable

24 Hour Urine, Aminolevulinic Acid

Synonyms

24 HR
ALA
AMINOLEVULINIC ACID, 24 HOUR
AMINOLEVULINIC ACID, URINE 24 HOUR
LAB356

Cerner Name

Clinical Info

ALA is a precursor to uroporphyrin, coproporphyrin, and protoporphyrin.
Concentrations of ALA are greatly increased in many patients with acute
neurological forms of porphyrias and in some patients with chronic alcohol abuse.

Specimen Sources

Urine, Catheter Urine, Clean Catch

Specimen Types

Urine

Container

24-hour urine collection container

Collection Instructions

Container/Tube: 24-hour urine collection container
Specimen: 2 mL from 24 hr. urine collection (0.6 mL min) No Preservative Protect from Light
Transport Temperature: Refrigerated.

Collection Instructions
Collect without preservative. Refrigerate during and after collection.
Wrap container in aluminum foil to protect from light.
Please specify on the request form and on the urine container the total 24-hour urine volume.

Alternate Specimen Urine preserved with: 25 ml 6N HCL. Protect from Light

Specimen Volume

Transport Instructions

Send specimen refrigerated. Stable for 7 Days. If more than 7 days send frozen urine.

Specimen Stability

Unacceptable Room Temperature
7 Days Refrigerated
30 Days Frozen

Methodology

Colorimetric

Days Performed

Tuesday, Thursday and Saturday

TAT 2 - 3 Days

Performing Laboratory

Quest Diagnostics' Nichols Institute, Inc. - Chantilly

CPT

81050 - urine timed measurement
82135 - ALA

LOINC: 2200-4

PDM

5902031

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
AMINOLEVULINIC ACID - URINE	DELTAALAUR	DELTA ALA UR	Aminolevulinic Acid - Urine
AMINOLEVULINIC ACID, INTERVAL	AMLEVACIDINT	AMINOLEVULINIC ACID INTERVAL	Aminolevulinic Acid, Interval
AMINOLEVULINIC ACID CREATININE	AMLEVACIDCRE	AMINOLEVULINIC ACID CREATININE	Aminolevulinic Acid Creatinine
AMINOLEVULINIC ACID, VOLUME	DELTAALAVOL	DELTA ALA VOL	Aminolevulinic Acid, Volume

Result Interpretation

Delta ALA, 24-Hour Urine

Adults

<4.5 mg/24 h

Creatinine, 24-Hour Urine

3-8 Years	0.11-0.68 mg/24 h
9-12 Years	0.17-1.41 mg/24 h
13-17 Years	0.29-1.87 mg/24 h
Adults	0.63-2.50 mg/24 h

Forms

Light Sensitive Test MEMO 6-20-2022 v2

LAB356

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