Rubella Virus (RNA Detection) Qualitative Test
Short Name: Rubella RNA PCR
Also known as: Rubella PCR, Rubella RNA Detection, German Measles PCR
Rubella Virus (RNA Detection) Qualitative Test test available at DNA Labs India for ₹6,120. Uses Real-Time PCR on Whole blood, Urine, CSF, Nasal Swab, Throat Swab samples. Results in Reports are available on the 3rd working day. Email reports within 36 hours, phone support 24 hours.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Kothari Ramesh Shantilal
Consultant Microbiologist · Reg: 27670
Last reviewed: September 7, 2026
Overview
The primary purpose of the Rubella RNA Detection Qualitative Test is to confirm the presence of rubella virus in the body. It is used to: 1) Diagnose acute rubella infection, especially in pregnant women exposed to the virus. 2) Detect rubella in newborns suspected of congenital rubella syndrome. 3) Monitor immunocompromised patients who may have prolonged viral shedding. 4) Differentiate rubella from other rash-causing illnesses like measles or parvovirus. 5) Support outbreak investigations and public health surveillance.
- Test Code
- 6237
- CPT Code
- 87798
- ICD Code
- B06.9
- Price
- ₹6,120
- Sample Type
- Whole blood, Urine, CSF, Nasal Swab, Throat Swab
- Result Time
- Reports are available on the 3rd working day. Email reports within 36 hours, phone support 24 hours.
- Fasting Required
- No
- Method
- Real-Time PCR
Sample Collection
No special preparation is required. However, patients should inform the healthcare provider about any recent rubella vaccination or antiviral therapy. A consent document must be signed, and relevant clinical history should be provided.
Method: Venipuncture or swab collection
Laboratory Analysis
For blood collection, a standard venipuncture will be performed. For swabs, a sterile swab will be gently inserted into the nasal or throat area. The procedure is quick and minimally invasive.
Report Delivery
No specific aftercare is needed. Patients can resume normal activities immediately. The sample will be transported to the laboratory for analysis.
Timeline: Reports are available on the 3rd working day. Email reports within 36 hours, phone support 24 hours.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Rubella RNA Detection Qualitative Test is to confirm the presence of rubella virus in the body. It is used to: 1) Diagnose acute rubella infection, especially in pregnant women exposed to the virus. 2) Detect rubella in newborns suspected of congenital rubella syndrome. 3) Monitor immunocompromised patients who may have prolonged viral shedding. 4) Differentiate rubella from other rash-causing illnesses like measles or parvovirus. 5) Support outbreak investigations and public health surveillance.
How to Prepare
- Blood: Collect in an EDTA tube (purple top).
- Swabs: Use sterile swabs and place in viral transport medium.
- CSF: Collect in a sterile container.
- Urine: Collect midstream urine in a sterile container.
- Label all samples with patient identification and collection time.
- Transport samples to the laboratory at 2-8°C if processing is delayed.
Doctor's Notes
Reviewed by Dr Kothari Ramesh Shantilal — MBBS, MD (Microbiology) · Reg. No. 27670
"Early detection of rubella RNA is critical in pregnant women to prevent congenital rubella syndrome. This PCR test offers high sensitivity and specificity, aiding timely clinical decisions."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted blood samples
- Insufficient sample volume
- Samples not properly labeled
- Samples stored at room temperature for more than 24 hours
- Swabs without viral transport medium
Understanding Your Results
Positive
Active rubella infection. In pregnant women, this poses a risk to the fetus; further counseling and management are required.
Negative
No rubella virus RNA detected. However, if symptoms persist, consider repeat testing or alternative diagnosis.
Consult a physician immediately if you are pregnant and suspect rubella exposure, or if you experience symptoms like fever, rash, and joint pain. Early diagnosis and management are crucial to prevent complications.
Limitations
- ⚠Qualitative test does not quantify viral load
- ⚠May not detect rubella RNA in later stages of infection when viremia has cleared
- ⚠Positive result does not differentiate between wild-type and vaccine strain
- ⚠Negative result does not rule out infection if sample was collected too early or too late
Risks & Considerations
- ●Minimal risk of bleeding or bruising at venipuncture site
- ●Slight discomfort during swab collection
- ●No serious risks associated with the test
Interfering Factors
- ●Improper sample collection or storage may lead to RNA degradation
- ●Presence of PCR inhibitors in the sample (e.g., heparin, hemoglobin)
- ●Cross-contamination during sample processing
- ●Recent rubella vaccination may yield positive results due to live attenuated virus
Compare With Similar Tests
| Test | Rubella Virus (RNA Detection) Qualitative Test | Rubella RNA PCR | Rubella IgG/IgM Serology |
|---|---|---|---|
| Comparison | Rubella Virus (RNA Detection) Qualitative Test |
Frequently Asked Questions
What is the Rubella RNA Detection Qualitative Test?
Why is this test important during pregnancy?
What samples are needed for this test?
Do I need to fast before the test?
How long does it take to get results?
Is home sample collection available?
What does a positive result mean?
Can this test detect rubella in asymptomatic individuals?
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