DIRECT ANTIGLOBULIN TEST

Message

MUST include MRN number on label

Test Code

DAT

Alias/See Also

Direct Coombs; Coombs

CPT Codes
86880

Includes

Includes: IgG & Complement (Children & Adults), IgG (Infants)

Preferred Specimen

1 Lavender tube (EDTA)

Minimum Volume

0.5 mL

Other Acceptable Specimens

1 Pink tube (EDTA)

Instructions

Do not centrifuge; May remain at room temp until testing.

Transport Temperature

Room Temperature or Refrigerate

Specimen Stability

2-8°C up to 3 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolyzed

Methodology
Hemagglutination

Setup Schedule

M, T, W, Th, F, Sa, Sun

Reference Range

Negative

Clinical Significance

The direct antiglobulin test (DAT or direct Coombs test) is used detect antibodies attached to red blood cells. It is primarily used to help diagnose the cause of hemolytic anemia but may also be used to help diagnose hemolytic disease of the newborn (HDN) or a blood transfusion reaction.

Performed By
Alverno Laboratories

Performing Laboratory

Versiti

Last Updated: September 18, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.