CMV PCR, Quantitative, Plasma

CMV PCR, Quantitative, Plasma is a laboratory test used to measure the amount of Cytomegalovirus (CMV) DNA present in a patient’s blood plasma.

Test Purpose

This test helps to:

• Detect active CMV infection
• Monitor CMV viral load
• Assess treatment response
• Monitor immunocompromised patients such as:
  • Organ transplant recipients
  • HIV/AIDS patients
  • Cancer chemotherapy patients
  • Newborns with suspected congenital CMV

Sample Type

• Specimen: Plasma (blood sample)

Method

• Technique: Real-Time Polymerase Chain Reaction (RT-PCR)

Report Format (Typical)

Interpretation

• Not Detected: No measurable CMV DNA
• Low Viral Load: Early or mild infection
• High Viral Load: Active or significant infection
• Rising viral load may indicate worsening infection
• Falling viral load suggests treatment response

Clinical Significance

CMV can affect:

• Eyes (retinitis)
• Lungs (pneumonia)
• Liver
• Gastrointestinal tract
• Brain

Especially dangerous in patients with weak immunity.

Preparation

• No fasting usually required
• Inform doctor about antiviral medications

Reference Range

• Normal: CMV DNA Not Detected

Values vary slightly by laboratory and testing platform.