RNA Viral Metagenome Sequencing and Analysis Test
Short Name: RNA Viral Metagenome
Also known as: RNA Viral Metagenomics, Viral Metagenome Sequencing, RNA Virus Detection by NGS
RNA Viral Metagenome Sequencing and Analysis Test test available at DNA Labs India for ₹42,000. Uses Next-Generation Sequencing (NGS), Metagenomic RNA Sequencing on Blood, CSF, Respiratory swab, or Tissue samples. Results in Results are typically available within 8 weeks due to the complex sequencing and analysis process.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr SULOCHANA HEMCHANDRA HOLLA
Consultant Medical Geneticist · Reg: 8532
Last reviewed: September 7, 2026
Overview
The purpose of RNA viral metagenome sequencing is to detect and identify all RNA viruses present in a clinical sample, including known, rare, and novel viruses. It is used when a viral infection is strongly suspected but routine tests (e.g., PCR, antigen tests) have been negative or inconclusive. It also helps in characterizing the viral genome, which can inform treatment decisions, infection control measures, and public health responses.
- Test Code
- 6431
- CPT Code
- N/A
- ICD Code
- N/A
- Price
- ₹42,000
- Sample Type
- Blood, CSF, Respiratory swab, or Tissue
- Result Time
- Results are typically available within 8 weeks due to the complex sequencing and analysis process.
- Fasting Required
- No
- Method
- Next-Generation Sequencing (NGS), Metagenomic RNA Sequencing
Sample Collection
No special preparation is required. However, inform your doctor about any medications you are taking. For respiratory samples, avoid eating or drinking for 30 minutes before collection. For blood collection, no fasting is needed.
Method: Venipuncture or swab
Laboratory Analysis
A healthcare professional will collect the sample (blood draw or swab). The procedure is quick and minimally invasive. For CSF collection, a lumbar puncture will be performed by a trained physician.
Report Delivery
You can resume normal activities immediately. If you had a lumbar puncture, you may be advised to lie flat for a few hours. Apply pressure to the blood draw site to prevent bruising.
Timeline: Results are typically available within 8 weeks due to the complex sequencing and analysis process.
Patient Instructions
About This Test
Who Should Get This Test
The purpose of RNA viral metagenome sequencing is to detect and identify all RNA viruses present in a clinical sample, including known, rare, and novel viruses. It is used when a viral infection is strongly suspected but routine tests (e.g., PCR, antigen tests) have been negative or inconclusive. It also helps in characterizing the viral genome, which can inform treatment decisions, infection control measures, and public health responses.
How to Prepare
- Use sterile collection containers
- For swabs, use viral transport medium
- Label the sample with patient ID and date
- Transport sample to the lab within 24 hours at 2-8°C
- For CSF, deliver immediately to the lab
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"RNA viral metagenome sequencing is a powerful tool for identifying both known and novel viral pathogens, especially in immunocompromised patients or when conventional tests are inconclusive. Early and accurate diagnosis can significantly improve patient outcomes and guide targeted antiviral therapy."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed blood samples
- Samples with insufficient volume
- Samples not stored at appropriate temperature
- Samples with visible contamination
- Samples older than 48 hours without proper preservation
Understanding Your Results
Positive for a known virus
The virus is identified, and the result can guide targeted antiviral therapy and infection control measures.
Positive for a novel virus
A previously unknown virus is detected. Further characterization may be needed, and public health authorities may be notified.
Negative
No viral RNA was detected. This may indicate a non-viral cause, or the viral load may be too low to detect. Clinical correlation is essential.
Inconclusive
The sequencing data were insufficient for a definitive interpretation. A repeat test or alternative diagnostic method may be recommended.
Consult your doctor if you have persistent fever, respiratory symptoms, neurological symptoms, or any signs of a viral infection that have not been diagnosed by routine tests. Early consultation can lead to timely diagnosis and treatment.
Limitations
- ⚠May not detect DNA viruses (this test is RNA-specific)
- ⚠Requires high-quality RNA; degraded samples may yield false negatives
- ⚠Cost may be prohibitive for some patients
- ⚠Results require expert interpretation
- ⚠Not a routine screening test; reserved for complex cases
Risks & Considerations
- ●Minimal risk of bruising or infection at the blood draw site
- ●For lumbar puncture: headache, infection, or bleeding (rare)
- ●For swabs: mild discomfort
Interfering Factors
- ●Sample degradation due to improper storage or transport
- ●Contamination with host RNA or other microorganisms
- ●Low viral load in the sample
- ●Presence of PCR inhibitors
- ●Bioinformatics analysis limitations with highly divergent viruses
Compare With Similar Tests
| Test | RNA Viral Metagenome Sequencing and Analysis | PCR (Polymerase Chain Reaction) | Antigen Testing | Viral Culture |
|---|---|---|---|---|
| Comparison | RNA Viral Metagenome Sequencing and Analysis | PCR is targeted and detects specific known viruses with high sensitivity. Metagenomic sequencing is unbiased and can detect any virus, including novel ones, but is more expensive and time-consuming. | Antigen tests are rapid and inexpensive but have lower sensitivity and can only detect specific viruses. Metagenomic sequencing provides comprehensive information but requires laboratory infrastructure. | Viral culture is slow and only detects viruses that can grow in culture. Metagenomic sequencing is faster and can detect non-culturable viruses. |
Frequently Asked Questions
What is RNA viral metagenome sequencing?
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Is home sample collection available?
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We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.
Your Data Privacy
Your medical data is protected under Indian law.
✓ Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.
✓ DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.
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