Skip to main content
Medical information Clinical review pending

Diagnostic Testing

T4 Total Test

The T4 Total Test measures the total level of thyroxine (T4) in your blood to help assess thyroid gland function. It aids in identifying thyroid disorders.

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
Blood sample.
Results
Confirm with the laboratory before booking.
Preparation
No special preparation is required for this test. Confirm with the laboratory before booking.
Test priceKSh 468

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 T4 Total 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.

  • ✓Symptoms of thyroid dysfunction (e.g., fatigue, weight changes, heart rate changes)
  • ✓Monitoring treatment for known thyroid conditions
  • ✓Screening individuals with a family history of thyroid disease
  • ✓Investigating changes in hair or skin texture
  • ✓Assessing temperature sensitivity
02

In plain language

What this test helps you understand

Assesses thyroid gland function by measuring total thyroxine (T4) levels in the blood. Helps identify potential thyroid disorders like hyperthyroidism or hypothyroidism.
The T4 Total Test is a diagnostic tool used to evaluate thyroid function. It measures the total amount of thyroxine (T4), a hormone produced by the thyroid gland, in your bloodstream. Thyroxine is vital for regulating metabolism, energy levels, and overall hormonal balance. Understanding your T4 levels can provide important insights into your thyroid health. This test measures both the active (free) and inactive (bound) forms of T4. Results help healthcare providers assess thyroid gland function and identify potential abnormalities. This test is often recommended for individuals experiencing symptoms suggestive of thyroid dysfunction, such as fatigue, unexplained weight changes, heart rate changes, temperature sensitivity, or changes in hair or skin. It can also be useful for monitoring existing thyroid conditions. Interpreting the results requires consultation with a healthcare provider, as normal ranges can vary. Elevated or decreased levels may indicate conditions like hyperthyroidism or hypothyroidism.
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.
SampleBlood sample.
MethodologyConfirm with the laboratory before booking.
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
Total T4 levels include both bound and free hormone. Changes in binding proteins can affect total T4 levels without reflecting actual thyroid function. Results should be interpreted alongside clinical symptoms and potentially other thyroid function tests (e.g., TSH, Free T4).
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 measures the total amount of thyroxine (T4) hormone in your blood, including both active and inactive forms.
No special preparation, such as fasting, is typically required for the T4 Total Test. However, it's always best to confirm with the laboratory before your appointment.
Symptoms can vary but may include fatigue, unexplained weight gain or loss, changes in heart rate, feeling too hot or too cold, hair loss, and skin changes.
Turnaround time for results can vary. Please confirm the expected timeframe with the laboratory when booking your test.
If your results are outside the normal range, your doctor will discuss the findings with you, potentially order further tests, and recommend appropriate management or treatment.
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