FYB Antigen Typing - Patient

2007725
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Example Reports
Negative
Positive

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

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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