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Infection Testing

Gram Stain Test

The Gram Stain Test helps identify bacteria causing infections, guiding appropriate treatment. Essential for diagnosing bacterial infections.

General information only: This page is not a diagnosis or personal medical advice. A qualified clinician should decide whether testing is appropriate and interpret results in context.

Review status: No completed medical review is recorded for this page.

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Counselor guidance included Confidential handling Kenya-wide coordination

At a glance

Plan your test

Sample
The type of specimen required depends on the suspected site of infection. Common specimens include sputum, urine, wound swabs, cerebrospinal fluid, or blood cultures. Confirm with the laboratory before booking.
Results
Results are typically available daily. Confirm with the laboratory before booking.
Preparation
Generally, no special preparation is required for the Gram Stain test. However, specific instructions may apply depending on the type of specimen being collected. Consult your doctor or the laboratory for details.
Test priceKSh 819

Payment: M-Pesa and card options can be confirmed during booking.

Insurance & government schemes

Is this test covered for you?

We help you verify whether the Gram Stain Test test can be claimed against your insurer, employer scheme or a Kenyan government health scheme — before you book. Coverage depends on your plan, clinical indication and your provider's rules; final approval always rests with them.

Talk to a claims advisor

Providers & schemes we can help you check

Government & public schemes

SHIF — Social Health Insurance Fund Linda Mama EduAfya NHIF (legacy cards)

Eligibility and benefits follow the current rules of the Social Health Authority (SHA) and applicable government programmes.

Private insurers & employer schemes

Jubilee Health AAR APA Britam CIC Madison Resolution Pioneer Minet Old Mutual GA Life Heritage + other licensed insurers

Names shown for identification only — listing does not imply partnership or guarantee of coverage.

Have these ready when we check

  • Insurer or scheme name & policy / member number
  • A clinician's request / prescription for the test
  • Pre-authorisation letter, if your plan requires one

Free coverage check

Ask us to verify your cover

Send your details and our claims team confirms what documents you need and whether pre-authorisation applies — usually the same working day.

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Used only to process your coverage check — see our Privacy Policy. Verification support is free and does not guarantee your provider will pay.

01

Start with fit

Is this the right test for you?

The best test starts with a clear clinical question. These are common reasons a clinician or family may consider this test.

  • ✓Suspected bacterial infection
  • ✓Fever of unknown origin
  • ✓Monitoring response to antibiotic therapy
  • ✓Identification of pathogens in wound infections
  • ✓Diagnosis of urinary tract infections
  • ✓Respiratory tract infection diagnosis
02

In plain language

What this test helps you understand

The Gram Stain test is a rapid diagnostic tool used to identify the presence and type (Gram-positive or Gram-negative) of bacteria in a clinical specimen. This information is crucial for guiding initial antibiotic therapy and managing infectious diseases.
The Gram Stain Test is a fundamental diagnostic procedure used in microbiology to classify bacteria into two main groups: Gram-positive and Gram-negative. This classification is based on the bacteria's cell wall composition and is crucial for guiding treatment options. The importance of this test cannot be overstated, as it aids in the rapid identification of bacterial infections, allowing for timely and appropriate therapeutic interventions.

This test measures the presence of bacteria in a sample by applying a series of stains. The results reveal the shape and structure of the bacteria, which helps in identifying the type of infection present. It is particularly useful in detecting common pathogens that cause various infections.

Individuals experiencing symptoms suggestive of a bacterial infection, such as fever, chills, or localized pain, should consider this test. Those with risk factors like compromised immune systems, chronic illnesses, or recent surgeries may also benefit from this test to rule out potential infections.

Benefits of the Gram Stain Test include quick identification of bacterial infections, guidance for appropriate antibiotic therapy, and monitoring the effectiveness of infection treatment. The sample collection process is typically straightforward.

Results are usually available daily. A positive result indicates the presence of bacteria, while a negative result suggests no bacterial infection was detected. It is important to discuss your results with your healthcare provider to understand their implications and the next steps in your care.
03

Medical review status

Clinical review pending

A completed medical review is not recorded for this page. No clinician has endorsed the information shown here. Please discuss testing decisions with a qualified healthcare professional.

Meet the DNA Labs Kenya medical team →
04

A simple process

What happens next?

You do not have to navigate the test alone. We help you move from question to next step.

1

Speak with us

We check the test and answer your questions before collection.

2

Give your sample

Choose home collection or a coordinated hub visit in Kenya. We explain whether this test uses a cheek swab or blood draw.

3

Understand your report

A counselor helps you understand the result and the next steps.

05

Choose your collection

Home collection or a lab visit

We will explain the sample, preparation, and next steps before anything is collected.

Home collection

Choose a coordinated visit at home or another convenient location. Our team confirms the appointment and sample requirements in advance.

Lab or hub visit

Prefer to visit a coordinated location? We can guide you to the right hub and explain what to expect when you arrive.

Ask about locations →
PreparationGenerally, no special preparation is required for the Gram Stain test. However, specific instructions may apply depending on the type of specimen being collected. Consult your doctor or the laboratory for details.
SampleThe type of specimen required depends on the suspected site of infection. Common specimens include sputum, urine, wound swabs, cerebrospinal fluid, or blood cultures. Confirm with the laboratory before booking.
MethodologyThe Gram Stain test involves applying a crystal violet stain, followed by iodine, a decolorizing agent (alcohol or acetone), and a counterstain (safranin) to a heat-fixed smear of the clinical specimen. The stained smear is then examined under a microscope to determine the morphology (shape) and Gram reaction (staining characteristic) of the bacteria.
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
The Gram Stain test provides a rapid but preliminary identification of bacteria. It may not detect all types of bacteria, especially those present in low numbers or those that do not stain well. It does not provide information on antibiotic sensitivity. Further testing, such as culture and sensitivity, is often necessary for definitive diagnosis and treatment guidance.
06

Read your report

What common result terms mean

PositiveA finding was identified. Your clinician or counselor will explain what it means for your care.
NegativeThe specific finding tested for was not identified. It does not rule out every possible cause.
VUSA variant was found, but current evidence is not enough to classify it. Your counselor can explain follow-up.
07

Questions people ask

Frequently asked questions

It's a quick laboratory test that helps identify bacteria in a sample and classify them as Gram-positive or Gram-negative, aiding in infection diagnosis.
It helps doctors quickly determine if bacteria are causing an infection and guides the choice of appropriate antibiotics.
Samples depend on the suspected infection site and can include sputum, urine, wound swabs, or blood cultures. Your doctor will advise.
Results are usually available daily, but please confirm the specific turnaround time with the laboratory.
Usually, no special preparation is needed. Follow any specific instructions given by your doctor or the laboratory.
A positive result indicates bacteria are present. Your doctor will interpret this result along with your symptoms and potentially other tests.
08

Collaboration

Open for partnership with hospitals, clinics, doctors & researchers

Whether you are referring patients, building a research programme or supporting students, we work as an extension of your team — with responsive communication and clear scientific standards.

Hospitals & clinics

Referral pathways, coordinated sample logistics and shared reporting that fits your clinical workflow.

Doctors & specialists

LOINC-coded reports, ACMG-based variant classification and a direct scientific line for complex cases.

Research institutions

Sanger sequencing, NGS panels and custom assays — with project design support, batch pricing and agreed turnaround commitments.

Students & academic projects

Discounted laboratory services for college, master's and PhD research projects — including proposal guidance and cost-effective batch testing.

Explore partnerships
09

Trust & transparency

Sources, standards & how this page is maintained

Standards & references

  • ACMG/AMP technical standards for sequence variant interpretation
  • ClinGen curation and gene–disease validity frameworks where applicable
  • LOINC-coded reporting for interoperable results
  • ISO 9001:2015 quality management; ISO 15189 accreditation in progress

Page provenance

  • Last updated: September 27, 2026
  • Medical review: not yet completed
  • Written for patients & clinicians in Kenya; reviewed periodically against current guidance

Medical disclaimer: this page is general information, not a diagnosis or personal medical advice. Testing decisions and result interpretation should be made with a qualified healthcare professional.

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