Lab Test : Cytomegalovirus (CMV) Ab Titer - IgM

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Alternate:CMV-IgM; Cytomegalovirus IgM
Includes:An immunofluorescent test that detects IgM antibodies to CMV.
Department:Virology
Phone:(937) 641-3907
SQ Code:CMVM
Available:Test batched and performed once per week
Turnaround:1-6 days
Specimen:Blood
Volume:0.5 mL Blood

Minimum requirement - 20 ul serum
Container:Red top tube
Temperature:Room temperature
Rejection:N/A
Normal:A titer <8 indicates no antibody detected. A titer of > or = 8 usually indicates an active infection.
Uses:Aids in the diagnosis of a CMV infection.
Limitations:A negative titer does not necessarily rule out CMV infection.

If indicated test a convalescent specimen 4 to 6 weeks later to see if there is a fourfold rise in titers signifying a recent infection.
Method:Immunofluorescence (IF)
 

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