Medical information Clinical review pending

Haematology Testing

Mixing Studies APTT With Prothrombin Time Studies Test

This test evaluates blood coagulation factors to help diagnose bleeding or clotting disorders. It includes Prothrombin Time (PT), Activated Partial Thromboplastin Time (APTT), and mixing studies.

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: 6 mL whole blood collected in 2 Blue Top (Sodium Citrate) tubes.
Results: Confirm with the laboratory before booking.
Preparation: Overnight fasting is preferred. Patients should discontinue Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling, under the guidance of their physician. A completed Coagulation Requisition Form (Form 15) is required.

Test priceKSh 7,020

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 Mixing Studies APTT With Prothrombin Time Studies 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.

Full name *

Mobile number *

+254

Insurer or scheme

Policy / member number (optional)

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

WhatsApp the claims team Call us

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.

✓Unexplained bleeding or bruising
✓Frequent or severe nosebleeds
✓Heavy menstrual bleeding
✓Family history of bleeding disorders
✓Monitoring anticoagulant therapy
✓Pre-surgical assessment for bleeding risk

In plain language

What this test helps you understand

This test helps diagnose coagulation disorders, identify specific factor deficiencies, and monitor anticoagulant therapy. It aids in determining the cause of abnormal bleeding or clotting tendencies.

The Mixing Studies APTT With Prothrombin Time Studies Test is a diagnostic tool used to assess blood coagulation. It helps identify potential issues in the blood clotting process, which can lead to excessive bleeding or the formation of unwanted clots. This test provides valuable information for healthcare providers to understand the underlying cause of coagulation problems and guide appropriate patient care.

This test measures several key components involved in blood clotting, including Prothrombin Time (PT), Activated Partial Thromboplastin Time (APTT), Thrombin Time, Fibrinogen levels, and mixing studies. These measurements help evaluate the function of different parts of the coagulation cascade.

This test is often recommended for individuals experiencing symptoms like unexplained bleeding or bruising, frequent nosebleeds, heavy menstrual periods, or those with a family history of bleeding disorders. It is also used to monitor patients on anticoagulant medications.

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 →

A simple process

What happens next?

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

Speak with us

We check the test and answer your questions before collection.

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.

Understand your report

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

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 →

PreparationOvernight fasting is preferred. Patients should discontinue Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling, under the guidance of their physician. A completed Coagulation Requisition Form (Form 15) is required.

Sample6 mL whole blood collected in 2 Blue Top (Sodium Citrate) tubes.

MethodologyCoagulation assays performed on automated analysers, including PT, APTT, Thrombin Time, Fibrinogen, and mixing studies.

PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.

Results can be affected by certain medications, recent transfusions, or underlying medical conditions. Interpretation requires clinical correlation.

Read your report

What common result terms mean

TermPlain-language meaning

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.

Questions people ask

Frequently asked questions

This test involves measuring several blood clotting factors, including PT, APTT, Thrombin Time, Fibrinogen, and performing mixing studies to assess coagulation function.

Fasting helps ensure that certain substances in the blood do not interfere with the coagulation test results.

Mixing studies involve mixing the patient's plasma with normal plasma to help determine if a prolonged clotting time is due to a factor deficiency or an inhibitor.

The blood sample must be collected in specific tubes (Blue Top/Sodium Citrate), mixed well, and transported to the lab promptly, ideally within 4 hours.

Yes, it is crucial to inform your doctor about all medications you are taking. You may need to stop certain medications like anticoagulants before the test, as directed by your physician.

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

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