DNA Extraction from Water Test
Short Name: DNA Water Extraction
Also known as: Water DNA Test, DNA Analysis of Water, Microbial DNA Detection in Water
DNA Extraction from Water Test test available at DNA Labs India for ₹1,800. Uses PCR, DNA sequencing on Water samples. Results in Reports are typically available within 5 days after sample collection.. 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 purpose of DNA extraction from water is to identify the presence of harmful microorganisms in water samples. This test is used for environmental monitoring, water quality assessment, and public health protection. By detecting DNA from pathogens, it helps in diagnosing waterborne diseases and preventing outbreaks. It is particularly useful for testing well water, municipal water, and recreational water sources.
- Test Code
- 6329
- CPT Code
- CPT 83890
- ICD Code
- Z13.89
- Price
- ₹1,800
- Sample Type
- Water
- Result Time
- Reports are typically available within 5 days after sample collection.
- Fasting Required
- No
- Method
- PCR, DNA sequencing
Sample Collection
No specific preparation required. Ensure the sample is collected in a sterile container provided by the lab.
Method: Sterile collection bottle
Laboratory Analysis
Collect water sample directly from the source using sterile gloves. Avoid touching the inside of the container.
Report Delivery
Keep the sample refrigerated and transport to the lab within 24 hours.
Timeline: Reports are typically available within 5 days after sample collection.
Patient Instructions
About This Test
Who Should Get This Test
The purpose of DNA extraction from water is to identify the presence of harmful microorganisms in water samples. This test is used for environmental monitoring, water quality assessment, and public health protection. By detecting DNA from pathogens, it helps in diagnosing waterborne diseases and preventing outbreaks. It is particularly useful for testing well water, municipal water, and recreational water sources.
How to Prepare
- Use the sterile container provided
- Fill the container to the indicated line
- Label the container with your name and date
- Store at 4°C until transport
Doctor's Notes
Reviewed by Dr Kothari Ramesh Shantilal — MBBS, MD (Microbiology) · Reg. No. 27670
"DNA-based water testing is a powerful tool for detecting pathogens that may not be culturable, providing a more comprehensive assessment of water safety."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Insufficient sample volume
- Container not sterile or improperly sealed
- Sample received after prolonged delay without refrigeration
- Evidence of leakage or contamination
Understanding Your Results
Positive for bacterial DNA
Bacterial contamination detected; may require further testing and water treatment.
Positive for viral DNA
Viral contamination detected; potential health risk, especially for immunocompromised individuals.
Positive for parasitic DNA
Parasitic contamination detected; may cause gastrointestinal illness.
Negative for all DNA
No microbial DNA detected; water is likely safe from tested pathogens.
If you experience symptoms such as diarrhea, nausea, vomiting, or skin rashes after water exposure, consult a physician immediately. Also, if your water test shows contamination, seek medical advice for appropriate management.
Limitations
- ⚠May not detect non-DNA pathogens (e.g., prions)
- ⚠Cannot differentiate between viable and non-viable organisms
- ⚠Requires specialized equipment and trained personnel
- ⚠Results may be affected by sample degradation
Risks & Considerations
- ●No significant risks associated with water sample collection
- ●Possible bruising if blood is drawn (not applicable here)
Interfering Factors
- ●Presence of PCR inhibitors (e.g., humic acids, heavy metals)
- ●Improper sample collection or storage
- ●Contamination during handling
- ●Low microbial concentration below detection limit
Compare With Similar Tests
| Test | DNA Extraction from Water | Bacterial Culture | Chemical Analysis |
|---|---|---|---|
| Comparison | DNA Extraction from Water | Culture-based methods require longer time and may miss non-culturable organisms. DNA extraction is faster and more sensitive. | Chemical tests detect inorganic contaminants, while DNA extraction focuses on biological pathogens. |
Frequently Asked Questions
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