ARUP's Laboratory Test Directory

Antigen Testing, Direct - Specify Individual RBC Antigen : 0013297

Mnemonic: IRL-AG/DIR

Methodology: Hemagglutination
Performed: Mon-Fri
Reported: 1-3 days
Specimen Required: Collect: Plain red. Also acceptable: Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation: Do not freeze.
Transport 7 mL whole blood.
Pediatric: Transport 0.5 mL whole blood.

Storage/Transport Temperature: Refrigerated.

Remarks:

Unacceptable Conditions: Separator tubes.

Stability (collection to initiation of testing): Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable
Reference Interval:
By report
Note: Indicate specific antigen(s) required and patient history (most common: M, N, P1, Le a, Leb).
CPT Code(s): 86905 each antigen
Cross References: Red Cell Antigen Typing (Antigen Testing, Direct - Specify Individual RBC Antigen)