Test Overview
Test Usage

To detect IgG Immunoglobulin and/or complement adherence to red cells in immune hemolytic anemia. Recommended to monitor patients who have already had a Direct Antiglobulin Test - Complete Study.

Reference Range *

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Use of red top tubes or serum separator tubes may cause false positive reactions.

Test Details
Days Set Up
Monday - Friday, 8:00am - 4:00pm
Analytic Time

1 - 72 hours

Soft Order Code
DAT
Synonyms
  • Coombs Test
  • Coombs Antibody
Laboratory
Blood Bank
Section
Blood Bank
Specimen Requirements
Collection Instructions

Collect specimen in a pink top tube. Blood Bank is not able to share tubes with other laboratories. Specimens are unacceptable if clotted, collected in serum separator tube, contaminated, grossly hemolyzed, of inadequate volume, or not properly labeled with patient identification, including labels that have been misaligned. Required on all requisition and specimen tubes: patient's full name, patient's medical record number, legibly printed full name or unique name of person collecting the blood sample and date and time of sample collection. If testing cannot be completed within 24 hours, specimen must be refrigerated.

Alternate Specimen
Lavender top tube (intact specimen) may be substituted for a pink top. All other specimen types are unacceptable.
Normal Volume
6 mL whole blood
Minimum Volume
2 mL whole blood
Storage Temperature
Ambient
Billing
CPT Code
86880
Fee Code
21256
NY State Approved
No