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

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
MiChart Code
C3 DIRECT ANTIGLOBULIN
Synonyms
  • Coombs Test
  • Coombs Antibody
  • Coombs' Antibody
  • Coombs' Test
  • Coombs` Test
  • DAT
  • DAT POLYSPECIFIC
  • DATP INT
Laboratory
Blood Bank
Section
Blood Bank
Specimen Requirements
Collection Instructions

Collect specimen in a pink top tube. Send intact specimen at room temperature. Specimens are unacceptable if collected in a serum separator tube, contaminated, or grossly hemolyzed. Specimens sent for Blood Bank testing cannot be split for use by other laboratories.

Alternate Specimen
IN-HOUSE: Lavender top tube (intact specimen) may be substituted for Pink top. All other specimen types are unacceptable. MLABS: Pink top tube (intact specimen) is preferred; the following are acceptable: lavender top (glass or plastic), red top (glass only). Plastic red top tubes will be rejected without exception. [10/03; rev 4/04]
Pink Top Tube
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