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FYB Antigen Typing - Patient
2007725
Ordering Recommendation

Determine if the Fy(b) (FY2) antigen is expressed on the patient's red blood cells. To determine if the patient is heterozygous or homozygous for the Fy(b) antigen, FYA Antigen Typing - Patient (2007717) should also be ordered.

Mnemonic
FYB AG
Methodology
Hemagglutination
Performed
Mon-Fri
Reported
1-3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Lavender (EDTA) or pink (K2EDTA). 
Specimen Preparation
Do not freeze. Transport 7 mL whole blood. (Min: 0.5 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Separator tubes. 
Remarks
 
Stability
Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable 
Reference Interval
By report
Interpretive Data


Note
Hotline History
N/A
CPT Code(s)
86905
Components
Component Test Code*Component Chart NameLOINC
2007726FYB Antigen Typing, Patient
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Duffy B Antigen Typing