Salmonella Typhi (RNA Detection) Qualitative Test
Short Name: Salmonella Typhi RNA Test
Also known as: Typhoid RNA Test, Salmonella Typhi PCR Test, Molecular Typhoid Test
Salmonella Typhi (RNA Detection) Qualitative Test test available at DNA Labs India for ₹5,100. Uses Real Time PCR on Whole Blood, rectal swabs, food samples, water sample samples. Results in Results available by 3rd working day. Email within 36 hours, phone within 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
To qualitatively detect Salmonella Typhi RNA for the diagnosis of typhoid fever, aiding in early treatment and prevention of complications.
- Test Code
- 3344
- Price
- ₹5,100
- Sample Type
- Whole Blood, rectal swabs, food samples, water sample
- Result Time
- Results available by 3rd working day. Email within 36 hours, phone within 24 hours.
- Fasting Required
- No
- Method
- Real Time PCR
Sample Collection
Sign the consent document and provide any clinical history. No fasting required unless specified by physician.
Method: Physician-guided collection
Laboratory Analysis
Sample collected by trained personnel using sterile techniques. Whole blood drawn via venipuncture or swabs taken as directed.
Report Delivery
Sample shipped immediately to the lab for processing. Keep the area clean and monitor for any discomfort.
Timeline: Results available by 3rd working day. Email within 36 hours, phone within 24 hours.
Patient Instructions
About This Test
Who Should Get This Test
To qualitatively detect Salmonella Typhi RNA for the diagnosis of typhoid fever, aiding in early treatment and prevention of complications.
How to Prepare
- Obtain physician prescription and consent
- Ensure proper labeling of samples
- Avoid contamination during collection
- Transport samples in appropriate containers
Doctor's Notes
Reviewed by Dr Kothari Ramesh Shantilal — MBBS, MD (Microbiology) · Reg. No. 27670
"This RNA detection test is highly sensitive for early typhoid diagnosis, crucial in endemic areas to prevent complications and spread."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted samples
- Improper labeling or missing consent
- Contaminated or insufficient sample volume
- Delayed shipment beyond stability period
Understanding Your Results
Detected
Positive for Salmonella Typhi RNA. Consult a physician for diagnosis and treatment.
Action: Immediate medical consultation recommended.
Not Detected
No Salmonella Typhi RNA detected. Symptoms may be due to other causes.
Action: If symptoms persist, consider repeat testing or alternative diagnoses.
If the test is positive, or if symptoms like fever, headache, or abdominal pain persist despite a negative result, consult an infectious disease specialist.
Limitations
- ⚠May not detect all Salmonella Typhi strains
- ⚠False negatives possible in early infection or low bacterial load
- ⚠Qualitative result only; does not quantify bacterial load
- ⚠Not suitable for monitoring treatment efficacy quantitatively
Risks & Considerations
- ●Minor bruising or pain at blood draw site
- ●Rare risk of infection at collection site
- ●No significant risks from swab collection
Interfering Factors
- ●Recent antibiotic use may reduce bacterial load
- ●Sample contamination during collection
- ●Improper storage or delayed processing
- ●Presence of inhibitors in the sample
Compare With Similar Tests
| Test | Salmonella Typhi (RNA Detection) Qualitative Test | Widal Test | Blood Culture | Typhoid IgM/IgG Test |
|---|---|---|---|---|
| Comparison | Salmonella Typhi (RNA Detection) Qualitative Test |
Frequently Asked Questions
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