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DNA Labs India

DNA Extraction from Bacteria Test

DNA Labs India | ISO 9001:2015 Certified

DNA Extraction from Bacteria Test

Short Name: DNA Extraction (Bacteria)

Also known as: Bacterial DNA Isolation, DNA Purification from Bacteria

DNA Extraction from Bacteria Test test available at DNA Labs India for ₹1,800. Uses Phenol-Chloroform Extraction, Silica Column-Based Extraction on Extracted DNA samples. Results in Reports are typically available within 5 days after sample submission.. Free home collection in 300+ cities across India.

Molecular🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr SULOCHANA HEMCHANDRA HOLLA

Dr SULOCHANA HEMCHANDRA HOLLA

Consultant Medical Geneticist · Reg: 8532

Last reviewed: September 7, 2026

Overview

The primary purpose of DNA extraction from bacteria is to obtain pure DNA for molecular analysis. This includes identifying bacterial species through genetic markers, detecting virulence factors, and determining antibiotic resistance profiles. It is also used in research settings for gene cloning, sequencing, and genetic engineering. In clinical diagnostics, extracted DNA can be used for PCR-based tests to confirm bacterial infections, especially when culture methods are inconclusive or slow-growing organisms are involved. Additionally, DNA extraction is a prerequisite for whole-genome sequencing, which provides comprehensive information about bacterial strains and their evolutionary relationships.

Test Code
6322
CPT Code
83891
ICD Code
Z01.89
Price
₹1,800
Sample Type
Extracted DNA
Result Time
Reports are typically available within 5 days after sample submission.
Fasting Required
No
Method
Phenol-Chloroform Extraction, Silica Column-Based Extraction
Step 1

Sample Collection

No special preparation is required. Inform your healthcare provider about any ongoing medications or supplements.

Method: Laboratory collection or home sample collection

Step 2

Laboratory Analysis

The sample (extracted DNA) is collected in a sterile tube. If a bacterial culture is needed, a separate sample may be collected.

Step 3

Report Delivery

No specific precautions. You can resume normal activities immediately.

Timeline: Reports are typically available within 5 days after sample submission.

Patient Instructions

1
Before the Test:No special preparation required. Ensure you have a valid prescription or request from a healthcare provider.
2
During the Test:The procedure is performed in the laboratory. If you are providing a bacterial culture sample, it will be collected by a trained professional.
3
After the Test:You can resume normal activities. The extracted DNA will be stored appropriately for further analysis if needed.

About This Test

Who Should Get This Test

The primary purpose of DNA extraction from bacteria is to obtain pure DNA for molecular analysis. This includes identifying bacterial species through genetic markers, detecting virulence factors, and determining antibiotic resistance profiles. It is also used in research settings for gene cloning, sequencing, and genetic engineering. In clinical diagnostics, extracted DNA can be used for PCR-based tests to confirm bacterial infections, especially when culture methods are inconclusive or slow-growing organisms are involved. Additionally, DNA extraction is a prerequisite for whole-genome sequencing, which provides comprehensive information about bacterial strains and their evolutionary relationships.

How to Prepare

  • Ensure the sample is labeled correctly with patient details
  • Use sterile containers to avoid contamination
  • Transport the sample to the laboratory within 24 hours if not processed immediately
  • Maintain appropriate temperature (2-8°C) during transport

Doctor's Notes

Reviewed by — MBBS, MD (Medical Genetics) · Reg. No. 8532

"DNA extraction from bacteria is a fundamental step in identifying pathogens and studying antibiotic resistance. Accurate extraction ensures reliable downstream results."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeExtracted DNA
Sample Volume10-50 µL
ContainerSterile microcentrifuge tube
Collection MethodLaboratory collection or home sample collection

Sample Stability

DNA is stable for up to 1 week at 2-8°C
Long-term storage at -20°C or -80°C recommended
Avoid repeated freeze-thaw cycles
Sample Rejection Criteria:
  • Sample not labeled or mislabeled
  • Insufficient quantity of DNA
  • Sample contaminated or degraded
  • Improper storage or transport conditions

Understanding Your Results

The results of DNA extraction are typically reported as concentration, purity, and integrity. These parameters indicate the quality and quantity of DNA obtained, which is critical for downstream applications.
📊

Adequate for most molecular applications

📊

Pure DNA, free from protein contamination

📊

Possible protein or phenol contamination

📊

Possible RNA contamination

📊

Intact DNA, suitable for sequencing

⚠️ When to Consult a Doctor:

Consult your physician if you have symptoms of a bacterial infection such as persistent fever, chills, or localized pain. DNA extraction is usually performed as part of a diagnostic workup, and your doctor will interpret the results in the context of your clinical condition.

Limitations

  • ⚠DNA extraction does not differentiate between live and dead bacteria
  • ⚠Low bacterial load may yield insufficient DNA for analysis
  • ⚠Extracted DNA may contain traces of contaminants affecting downstream applications
  • ⚠Not a diagnostic test for infection; requires additional testing

Risks & Considerations

  • ●No significant risks associated with DNA extraction from an already collected sample
  • ●If a bacterial culture is required, there is a minimal risk of infection at the collection site

Interfering Factors

  • ●Contamination with host DNA or RNA
  • ●Presence of PCR inhibitors (e.g., heme, phenol)
  • ●Degradation due to improper storage or handling
  • ●Insufficient bacterial lysis
  • ●Carryover of salts or detergents

Compare With Similar Tests

TestDNA Extraction from Bacteria
ComparisonDNA Extraction from Bacteria

Frequently Asked Questions

What is the cost of DNA extraction from bacteria?
The cost is Rs 1800, which includes home sample collection in many cities across India.
How long does the test take?
Reports are typically available within 5 days after sample submission.
Is fasting required for this test?
No, fasting is not required.
What sample is needed?
The sample type is extracted DNA, which is usually obtained from a bacterial culture or clinical specimen.
Can I get a home sample collection?
Yes, we offer free home sample collection for online bookings in over 200 cities across India.
What is the purpose of DNA extraction?
It is used to isolate DNA for molecular analysis such as PCR, sequencing, and genetic studies.
Is the test NABL accredited?
Yes, our laboratory is NABL accredited and follows strict quality standards.
Are there any risks?
No significant risks are associated with this test.
What do the results indicate?
Results indicate the quantity and quality of extracted DNA, which is essential for downstream applications.
Can this test diagnose a bacterial infection?
DNA extraction alone does not diagnose an infection; it is a preparatory step for other tests like PCR.
How should the sample be stored?
DNA should be stored at 2-8°C for short-term and -20°C or -80°C for long-term storage.
What if my sample is rejected?
Samples are rejected if they are mislabeled, insufficient, or degraded. You will be notified for a re-collection.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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For Hospitals & Clinics

Reference Laboratory Services

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.

LIMS Integration

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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