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Diagnostic Testing

Rheumatoid Factor RA Serum Test

The Rheumatoid Factor (RA) Serum Test helps evaluate autoimmune and musculoskeletal disorders by detecting rheumatoid factor in the blood. This test aids in diagnosing conditions like rheumatoid arthritis.

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
Serum
Results
Confirm with the laboratory before booking.
Preparation
No special preparation is required for this test. Confirm with the laboratory before booking.
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 Rheumatoid Factor RA Serum 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.

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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.

  • ✓Joint pain and swelling
  • ✓Morning stiffness
  • ✓Fatigue associated with potential autoimmune conditions
  • ✓Suspected rheumatoid arthritis
  • ✓Monitoring autoimmune disease activity
  • ✓Family history of autoimmune disorders
02

In plain language

What this test helps you understand

This test aids in the diagnosis and monitoring of autoimmune disorders, particularly rheumatoid arthritis, by detecting the presence and levels of rheumatoid factor in the blood.
The Rheumatoid Factor (RA) Serum Test is a diagnostic tool used to detect the presence of rheumatoid factor (RF) in your blood. RF is an antibody often found in people with autoimmune diseases, particularly rheumatoid arthritis. This test is important for the early diagnosis and management of these conditions, enabling timely medical intervention.

This test measures the amount of RF in your serum. Elevated levels can suggest an autoimmune disorder, most commonly rheumatoid arthritis, but may also be linked to other health issues. It's crucial to interpret results in the context of your overall health and symptoms.

Individuals experiencing joint pain, swelling, morning stiffness, fatigue, or fever may benefit from this test. A family history of autoimmune diseases is also a factor to consider. Discuss your symptoms and concerns with a healthcare provider to determine if this test is appropriate for you.

Taking this test can help with the early detection of rheumatoid arthritis and other autoimmune conditions. It assists healthcare providers in making treatment decisions, monitoring disease progression, and assessing response to therapy. Results should always be discussed with a doctor for proper interpretation and guidance.

Test pricing is available. Please contact the laboratory for current pricing information.
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 for this test. Confirm with the laboratory before booking.
SampleSerum
MethodologyConfirm with the laboratory before booking.
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
A positive Rheumatoid Factor test does not confirm a diagnosis of rheumatoid arthritis, as RF can be present in other conditions or even in healthy individuals. A negative result does not rule out rheumatoid arthritis. Results must be interpreted by a healthcare professional in conjunction with clinical symptoms and other tests.
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

Rheumatoid Factor (RF) is an antibody that the immune system produces. It is often found in the blood of people with rheumatoid arthritis and other autoimmune diseases.
No special preparation, such as fasting, is typically required for the Rheumatoid Factor test. However, it's always best to confirm specific instructions with the laboratory before your appointment.
A positive result means rheumatoid factor was detected in your blood. This may indicate an autoimmune condition like rheumatoid arthritis, but it can also be present in other diseases or even in some healthy people. Your doctor will interpret this result based on your symptoms and other tests.
A negative result means rheumatoid factor was not detected in your blood. While this makes rheumatoid arthritis less likely, it does not completely rule it out. Your doctor will consider this result along with your clinical picture.
The Rheumatoid Factor test is a helpful tool, but it cannot diagnose rheumatoid arthritis on its own. Diagnosis requires a combination of clinical evaluation, symptoms, physical examination, 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.

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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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