Delta Aminolevulinic Acid, 24-Hour Urine

Test Code

219

CPT Code(s)

82135

Test Code

219

CPT Code(s)

82135

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Delta Aminolevulinic Acid, 24-Hour Urine - See available Test Resources

Test Resources

Test FAQ

Porphyria Testing

Test Guide

Porphyria: Laboratory Evaluation

Test Details

Includes

CPT code 81050 may be added at an additional charge for volume measurement

Methodology

Colorimetric (C)

Reference Range(s)

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

Alternative Name(s)

Aminolevulinic Acid,Porphyria,D-Aminolevulinic Acid,D-ALA,ALA

LOINC® Codes, Performing Laboratory

Service Area must be determined

Includes

CPT code 81050 may be added at an additional charge for volume measurement

Methodology

Colorimetric (C)

Reference Range(s)

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

Alternative Name(s)

Aminolevulinic Acid,Porphyria,D-Aminolevulinic Acid,D-ALA,ALA

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

2 mL urine from a 24-hour collection - no preservative - protect from light

Alternative Specimen(s)

Urine preserved with 25 mL 6N HCl or 10 mL concentrated glacial acetic acid • Preservative added after collection • Catheterized urine in a sterile, plastic screw-cap container

Minimum Volume

0.6 mL

Collection Instructions

Collect without preservative. Refrigerate during and after collection. Wrap container in aluminum foil to protect from light. 24-hour total volume must be provided on the test requisition.

Transport Container

Plastic urine container

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria

Received room temperature • Not protected from light

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

2 mL urine from a 24-hour collection - no preservative - protect from light

Alternative Specimen(s)

Urine preserved with 25 mL 6N HCl or 10 mL concentrated glacial acetic acid • Preservative added after collection • Catheterized urine in a sterile, plastic screw-cap container

Minimum Volume

0.6 mL

Collection Instructions

Collect without preservative. Refrigerate during and after collection. Wrap container in aluminum foil to protect from light. 24-hour total volume must be provided on the test requisition.

Transport Container

Plastic urine container

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria

Received room temperature • Not protected from light

Setup Schedule

Service Area must be determined

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection is not available in your area through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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