Histamine, 24-Hour Urine

Histamine, 24-Hour Urine

Test Code

4946
83088
4946
83088
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

Histamine, 24-Hour Urine - Histamine is a mediator of the allergic response. Histamine release causes itching, flushing, hives, vomiting, syncope, and even shock. In addition, some patients with gastric carcinoids may exhibit high concentrations of histamine.

Test Resources

None found for this test
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.

Test Details

Includes

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

Patient Preparation

Avoid direct sunlight. Patient should refrain from taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours prior to specimen collection.

Methodology

Immunoassay (IA)

Assay Category

This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Reference Range(s)

0.006-0.131 mg/24 h

LOINC® Codes, Performing Laboratory

Service Area must be determined
CPT code 81050 may be added at an additional charge for volume measurement
Avoid direct sunlight. Patient should refrain from taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours prior to specimen collection.

Methodology

Immunoassay (IA)
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Reference Range(s)

0.006-0.131 mg/24 h
Service Area must be determined

Preferred Specimen(s)

4 mL urine from a 24-hour urine containing 10 mL 6N HCL collected in a leak-proof container

Alternative Specimen(s)

Non-preservative 24-hour urine collected in a leak-proof container

Minimum Volume

2 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 48 hours
  • Refrigerated: 14 days
  • Frozen: 14 days

Setup Schedule

Service Area must be determined
4 mL urine from a 24-hour urine containing 10 mL 6N HCL collected in a leak-proof container
Non-preservative 24-hour urine collected in a leak-proof container
2 mL
Transport tube
Refrigerated (cold packs)
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
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.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.

Customize the test information for your Service Area