Skip to main content
Medical information Clinical review pending

Diagnostic Testing

Histopathology Special Stain Phosphotungstic Acid Hematoxylin PTAH Test

The Histopathology Special Stain Phosphotungstic Acid Hematoxylin (PTAH) Test is a specialized diagnostic tool used to examine tissue samples, helping identify specific cellular components crucial for diagnosing certain diseases. Confirm with the laboratory before booking.

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
Tissue biopsy in 10% formal saline or formalin-fixed paraffin-embedded tissue block, or Fine Needle Aspiration Cytology (FNAC) specimen. Alcohol-fixed specimens should be smeared onto four glass slides and air-dried.
Results
Results are typically available within three working days. Confirm with the laboratory before booking.
Preparation
No specific patient preparation is required. Ensure the specimen is collected and preserved according to the laboratory's instructions. A brief clinical history should accompany the sample.
Test priceKSh 1,263

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 Histopathology Special Stain Phosphotungstic Acid Hematoxylin PTAH 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.

  • ✓Evaluation of unexplained tissue growths
  • ✓Investigation of persistent pain related to tissue abnormalities
  • ✓Diagnosis of suspected tumors
  • ✓Assessment of changes in bodily functions potentially linked to tissue pathology
  • ✓Follow-up for patients with a history of cancer
02

In plain language

What this test helps you understand

This test aids pathologists in identifying specific cellular components and abnormalities within tissue samples, contributing to the diagnosis of various conditions, including tumors and other tissue-related diseases.
The Histopathology Special Stain Phosphotungstic Acid Hematoxylin (PTAH) Test is a vital diagnostic procedure used in surgical pathology. This specialized test helps identify specific cellular components within tissue samples, which is crucial for accurate diagnosis and treatment planning. Pathologists use this test to gain insights into underlying pathologies.

This test measures the presence and distribution of phosphotungstic acid hematoxylin in tissue samples. It is particularly useful for detecting certain types of cellular abnormalities and can aid in diagnosing conditions such as tumors and other tissue-related diseases.

Patients exhibiting symptoms related to tissue abnormalities, such as unexplained growths, persistent pain, or changes in bodily functions, may benefit from this test. Individuals with a history of cancer or other significant health concerns might also be recommended this diagnostic tool.

Benefits of this test include providing accurate diagnosis of tissue abnormalities, helping determine appropriate treatment plans, facilitating early detection of potential health issues, and enhancing the understanding of specific cellular changes.
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 specific patient preparation is required. Ensure the specimen is collected and preserved according to the laboratory's instructions. A brief clinical history should accompany the sample.
SampleTissue biopsy in 10% formal saline or formalin-fixed paraffin-embedded tissue block, or Fine Needle Aspiration Cytology (FNAC) specimen. Alcohol-fixed specimens should be smeared onto four glass slides and air-dried.
MethodologyHistochemical staining technique using Phosphotungstic Acid Hematoxylin on tissue sections.
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
The interpretation of this stain requires expertise from a pathologist. Results are dependent on the quality of the tissue sample provided. This test is not a standalone diagnostic tool and should be interpreted in conjunction with clinical findings and other relevant 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

The PTAH test is a special stain used by pathologists to examine tissue samples and identify specific cellular components, aiding in the diagnosis of certain diseases like tumors.
A tissue biopsy (in formalin or paraffin block), an FNAC specimen, or an alcohol-fixed smear on glass slides is required. Confirm specific requirements with the laboratory.
Results are generally available within three working days, but please confirm the exact turnaround time with the laboratory before booking.
No specific patient preparation is needed. The main requirement is providing a suitable tissue sample as requested by your doctor and the laboratory.
We have branches in major cities like Nairobi, Mombasa, and Kisumu, and offer home sample collection. Contact us to book your test.
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