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Genetic Testing

CA5A Gene Hyperammonemia Due to Carbonic Anhydrase VA Deficiency Genetic Test

Genetic test to identify mutations in the CA5A gene associated with hyperammonemia, a condition involving high ammonia levels. Uses Next Generation Sequencing (NGS) technology.

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
Blood sample, Extracted DNA, or One drop of blood on an FTA card.
Results
3 to 4 Weeks. Confirm with the laboratory before booking.
Preparation
A Clinical History of the Patient and a Genetic Counseling session are required prior to testing. Please confirm specific preparation details with the laboratory before booking.
Test priceKSh 40,000

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 CA5A Gene Hyperammonemia Due to Carbonic Anhydrase VA Deficiency Genetic 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.

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.

  • ✓Patients presenting with symptoms suggestive of hyperammonemia (e.g., lethargy, vomiting, neurological disturbances).
  • ✓Individuals with a family history of metabolic disorders or unexplained neurological symptoms.
  • ✓Patients with suspected metabolic conditions where previous testing was inconclusive.
  • ✓Confirmation of diagnosis in individuals suspected of having carbonic anhydrase VA deficiency.
  • ✓Genetic counseling for families with a history of hyperammonemia.
02

In plain language

What this test helps you understand

Identifies specific genetic mutations in the CA5A gene responsible for carbonic anhydrase VA deficiency, a cause of hyperammonemia. This aids in confirming a diagnosis, understanding the underlying cause of metabolic dysfunction, and guiding appropriate management strategies.
The CA5A Gene Hyperammonemia due to Carbonic Anhydrase VA Deficiency NGS Genetic DNA Test is a diagnostic tool used to identify genetic mutations linked to hyperammonemia. This condition is characterized by elevated ammonia levels in the blood. The test utilizes advanced Next Generation Sequencing (NGS) technology for a comprehensive analysis of the CA5A gene, which is involved in metabolic processes.

This genetic test specifically looks for mutations in the CA5A gene, which cause carbonic anhydrase VA deficiency. Detecting these mutations helps healthcare providers understand the cause of hyperammonemia and guide appropriate treatment.

Individuals experiencing symptoms like lethargy, vomiting, or neurological issues, those with a family history of metabolic disorders, or those with previous inconclusive metabolic testing may benefit from this test.

Taking this test can lead to an accurate diagnosis, enabling better-targeted therapies. It also supports informed health decisions and allows for early intervention and management strategies to mitigate risks associated with metabolic disorders.

Results will indicate the presence of mutations in the CA5A gene. A genetic counseling session is recommended to interpret the results and understand their implications for you and your family, including creating a pedigree chart.
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 →
PreparationA Clinical History of the Patient and a Genetic Counseling session are required prior to testing. Please confirm specific preparation details with the laboratory before booking.
SampleBlood sample, Extracted DNA, or One drop of blood on an FTA card.
MethodologyNext Generation Sequencing (NGS)
PrivacyYour sample and report are handled confidentially. Ask the team how your information is stored and shared.
This test specifically analyzes the CA5A gene. It may not detect mutations in other genes that can cause hyperammonemia. Confirm with the laboratory before booking.
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

Hyperammonemia is a condition characterized by elevated levels of ammonia in the blood, which can be toxic to the brain and other organs.
The CA5A gene provides instructions for making an enzyme called carbonic anhydrase VA, which plays a role in metabolic processes.
This test specifically looks for mutations in the CA5A gene. Other genetic causes of hyperammonemia exist. A doctor can advise if this test is appropriate.
A genetic counseling session is recommended to help interpret the results and understand their implications for you and your family.
Insurance coverage varies. Please check with your insurance provider and confirm coverage details with the laboratory before booking.
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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