Test Catalog

Test ID: DCTR    
Direct Antiglobulin Test (Polyspecific), Blood

Useful For Suggests clinical disorders or settings where the test may be helpful

Demonstrating in vivo coating of RBCs with IgG or the complement component C3d in the following settings:

-Autoimmune hemolytic anemia

-Hemolytic transfusion reactions

-Drug-induced hemolytic anemia

Reflex Tests Lists tests that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
DATRDirect Antiglobulin Tst (Poly)NoNo
DC3TRDirect Antiglobulin Test (C3)NoNo
DIGTRDirect Antiglobulin Test (IgG)NoNo

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

When the direct antigobulin tests is positive, the DCTR test will be interpreted as “Invalid – See addl testing” and the DATR test will be performed. When direct antiglobulin (DATR) is positive, then the DATR reflex tests, DAT complement 3 and DAT IgG, will be performed at an additional charge.

Method Name A short description of the method used to perform the test


NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Direct Antiglobulin Test (Poly)

Aliases Lists additional common names for a test, as an aid in searching

Neonatal Blood Evaluation
Direct Coombs, B
Coombs, Direct, Blood
Direct Antiglobulin Test
Poly Specific Coombs