Isohemagglutinin Titer

Test ID: 


CPT code:



Anti-A Titer

Anti-B Titer


Clinical Use:

Determine the titer of isohemagglutinins (anti-A and/or anti-B) in serum; the absence of expected isohemagglutinins may suggest an immunological deficiency. This test is not recommended for the determination of immunodeficiency. Dependent upon a variety of factors, normal titers are >1:8.

Specimen Type:

Whole blood

Requested Volume: 

4 mL

Minimum Volume: 

3 mL

Container Type: 

Lavender-top (EDTA) tube

Storage Instructions:


Rejection Criteria

Gross hemolysis; bacterial or other contamination

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MCI Diagnostic

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7018 South Utica Avenue

Tulsa, Oklahoma 74136

Hours of Operation

Mon – Sat: 7AM-11PM

Sun: 7AM-3PM

Government Contract

Mon – Sat: 7AM-11PM

Sun: 7AM-3PM


Mon – Sat: 7AM-11PM

Sun: 7AM-3PM

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