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.
Specimen Required
Patient Preparation
Collect
Lavender (K2EDTA) 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: Unacceptable; Refrigerated: 1 week; Frozen: Unacceptable
Reference Interval
By report
Interpretive Data
Compliance Category
Standard
Note
Hotline History
N/A
CPT Codes
86905
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2007726 | FYB 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
- FY2 antigen
FYB Antigen Typing - Patient