SPAG - Clinical: Special Red Cell Antigen Typing

Test Catalog

Test Name

Test ID: SPAG    
Special Red Cell Antigen Typing

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

Added proof of alloantibody specificity


Determining possible antibody specificities in complex cases


This test is not done for the purpose of establishing paternity

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test

The presence or absence of a cellular antigen is an inherited trait. As a general rule, individuals will not make antibody directed against an antigen present on their own red blood cells.

Interpretation Provides information to assist in interpretation of the test results

Each antigen typed will be listed by name, followed by "pos" indicating that the antigen is present, or by "neg" indicating that the antigen is absent.

Cautions Discusses conditions that may cause diagnostic confusion, including improper specimen collection and handling, inappropriate test selection, and interfering substances

No significant cautionary statements

Clinical Reference Recommendations for in-depth reading of a clinical nature

Standards for Blood Banks and transfusion Services. 21st edition. AABB, 2002