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Test Code LABAGTEST Antigen Testing

Clinical Information

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

Synonym

  • AGID
  • Antigen typing

Specimen Required

Specimen Type:  Whole Blood EDTA
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Ambient: 24 hours
Refrigerated: 2 days, can be extended with pathologist approval

Rejected Due To

  • Frozen
  • Gross hemolysis
  • Sent on heat/ice
  • Less than minimum volume
  • Missing collector information
  • Missing patient identification
  • Transfused within the last 90 days

Testing Algorithm

List the specific antigens desired on the order.

Examples of antigens routinely tested by the lab are listed below:

-Fya/Fyb
-C/c
-E/e
-K
-Jka/Jkb
-M
-N
-S/s

Interpretation

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

Testing cannot be performed if patient has been transfused in the last 3 months

Method Description

Hemagglutination

Performing Lab

Blood Bank University Hospital

Day(s) Performed

Monday through Sunday

Report Available

12 hours

Reporting Name

Antigen Testing

CPT Code Information

86905