What does negative CMV test mean?
As with other viruses, once someone has had CMV, their body retains the antibodies. So if you have ever had CMV, it’s likely you are “positive” for the antibodies. If you never had CMV, you haven’t produced antibodies against the virus and are considered “CMV negative,” and have CMV negative blood.
What does CMV IgM negative mean?
IgM: A negative cytomegalovirus (CMV) IgM result suggests that the patient is not experiencing acute or active infection. However, a negative result does not rule-out primary CMV infection.
What is a positive CMV titer?
A positive test for CMV IgG indicates that a person was infected with CMV at some time during their life but does not indicate when a person was infected. This applies for persons ≥12 months of age when maternal antibodies are no longer present.
What does CMV non reactive mean?
The presence of IgG (immunoglobulin G) antibodies (reactive) indicates that an infection occurred at some point in the past. Therefore, a reactive (positive) IgG and non-reactive (negative) IgM result would indicate that an individual had experienced a past infection is not necessarily currently infectious.
Is it good to be CMV negative?
As with other viruses, once someone has had CMV, their body retains the antibodies. CMV is generally harmless to adults, but can be fatal to babies. For this reason, babies needing transfusions as part of their medical care should only receive blood from donors who have not been exposed to CMV (CMV negative).
How rare is O negative CMV negative?
It takes a rare blood type from a special group of donors to save an infant: It often is type O-negative and cytomegalovirus-negative. O-negative is the blood type that can be transfused to patients of all blood types, yet makes up only 7% of the population.
What is a normal CMV Level?
cmv viral load normal range The IgG for CMV normal range is 620 to 1400 mg/dl. If the reading is above this threshold, then you will need to consult a doctor to prevent any unwanted symptoms or infections. This action is especially crucial for pregnant mothers or parents planning to have a child.
How rare is a negative CMV negative blood?
Who needs CMV negative?
CMV seronegative products should be used for the following clinical indications: pregnant women regardless of CMV status who require regular elective transfusions during pregnancy (but not during delivery) recipients of intrauterine transfusions IUT. neonates (up to 28 days post expected date of delivery), and.
How rare is O negative and CMV negative blood?