Skip to main content
Medical information Clinical review pending

Genetic Testing

Sputum Examination AFB Test

Detects the presence of Mycobacterium tuberculosis bacteria in sputum samples using staining techniques to aid in the diagnosis of tuberculosis (TB).

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.

Ask a question
Counselor guidance included Confidential handling Kenya-wide coordination

At a glance

Plan your test

Sample
Sputum sample collected in a sterile, screw-capped container.
Results
Same-day reporting is typically available. Confirm with the laboratory before booking.
Preparation
No special preparation is required before the test.
Test priceKSh 982

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 Sputum Examination AFB 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.

+254

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.

  • ✓Persistent cough lasting more than two weeks
  • ✓Unexplained weight loss
  • ✓Night sweats
  • ✓Fever
  • ✓History of exposure to tuberculosis
  • ✓Symptoms suggestive of respiratory illness
  • ✓Individuals with weakened immune systems
02

In plain language

What this test helps you understand

This test is used to detect the presence of acid-fast bacilli (AFB), specifically Mycobacterium tuberculosis, in sputum samples, aiding in the diagnosis of pulmonary tuberculosis.
The Sputum Examination AFB Test is an essential diagnostic procedure used to detect the presence of Mycobacterium tuberculosis, the bacteria responsible for tuberculosis (TB). This test plays a critical role in the early diagnosis and management of TB, a disease that remains a significant public health concern in Kenya and globally.

This test specifically measures the presence of acid-fast bacilli (AFB) in sputum samples. By employing both Auramine and Ziehl Neelsen staining techniques, the test allows for the visualization of TB bacteria under a microscope, providing reliable results.

Individuals who should consider the Sputum Examination AFB Test include:

* Those exhibiting symptoms of TB, such as persistent cough, night sweats, unexplained weight loss, and fever. * Individuals with a history of exposure to TB or those living in high-risk environments. * Patients with weakened immune systems, such as those with HIV/AIDS.

Taking the Sputum Examination AFB Test offers several benefits:

* Early detection of tuberculosis, which is crucial for effective treatment. * Helps in monitoring the effectiveness of ongoing TB treatment. * Same-day reporting ensures timely medical intervention.

Results from the Sputum Examination AFB Test are typically available on the same day. A positive result indicates the presence of TB bacteria, while a negative result suggests that TB is unlikely, although further testing may be required in some cases. It is essential to discuss your results with a healthcare provider for appropriate management.
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 →
PreparationNo special preparation is required before the test.
SampleSputum sample collected in a sterile, screw-capped container.
MethodologyMicroscopic examination of sputum smears using both Auramine and Ziehl Neelsen staining techniques to identify acid-fast bacilli.
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
This test detects the presence of AFB but does not differentiate between Mycobacterium tuberculosis and non-tuberculous mycobacteria. Sensitivity can be affected by the quality of the sputum sample and the bacterial load. A negative result does not exclude TB.
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

This test detects the presence of acid-fast bacilli (AFB), which includes the bacteria that cause tuberculosis (TB), in a sputum sample.
You will need to provide a sputum sample, typically collected by coughing deeply into a sterile container. Your doctor will provide specific instructions.
Results are typically available on the same day the sample is received by the laboratory. Confirm with the laboratory before booking.
A positive result indicates that acid-fast bacilli were found in your sputum. This suggests the presence of tuberculosis, and your doctor will discuss further steps.
A negative result means no acid-fast bacilli were detected in the sample. However, it doesn't completely rule out TB, and your doctor will interpret this result based on your symptoms and history.
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.

Keep exploring

Related tests

View all tests →
Chat on WhatsApp