“Siblingship analysis is statistically more complex than paternity testing. Including parental samples whenever possible materially improves the strength of the conclusion.”
Dr. Adaeze Okonkwo, MBBS, FMCPath
Consultant Clinical Pathologist · MBBS, FMCPath
3 Clinical Indications & Who Should Take This Test
When is this test recommended?
Recommended when:
Alleged siblings wish to confirm a biological relationship
A father is unavailable or deceased for direct paternity testing
Family reunification documentation requires sibling relationship evidence
Inheritance or estate matters depend on sibling status
4 Sampling & Patient Preparation
How to prepare and how the sample is collected
Specimen typeBuccal (cheek) swab
Turnaround7 business days
Patient preparation
No fasting required. Avoid eating, drinking or smoking for 30 minutes before cheek swab collection.
Collection methods
Painless cheek (buccal) swab — quick, non-invasive and suitable for all ages.
Venous blood draw — EDTA whole blood, taken by a certified phlebotomist.
Discreet home collection kit — courier-dispatched nationwide with clear instructions.
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For legal / chain-of-custody testing, sampling must be performed at an
approved centre under witnessed conditions with photo identification.
Read the legal testing guide.
5 Laboratory Methodology & Equipment
How your sample is analysed
STR profiling across a multi-locus panel with kinship index calculation comparing full-sibling, half-sibling and unrelated hypotheses. Parental samples are recommended to maximise statistical power.
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Platforms & instrumentation
24-locus STR multiplex PCR amplification kits with capillary electrophoresis and validated kinship statistical software.
Documented standard operating procedures for every assay.
Internal reference controls run alongside patient samples.
Participation in external proficiency testing programmes.
Dual-verification of every result before release.
6 Result Delivery & Genetic Counseling
How you receive your results
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Encrypted, password-protected PDF report
Your results are delivered securely as an encrypted, password-protected PDF
to your registered email address and WhatsApp. The file is never sent unprotected.
Results are delivered as an encrypted, password-protected PDF to registered email and WhatsApp, with counselor support available.
Opening your report
The PDF password follows a standard formula based on your personal details.
Your counselor will confirm the exact password formula before release.
Need help? Our team can re-issue or reset access on request.
Certified genetic counselors are available before and after your test to
explain what the results mean, discuss implications for your family, and guide any
next clinical steps.
Yes. The analysis evaluates full-sibling, half-sibling and unrelated hypotheses and reports a likelihood ratio for each. Including parental samples improves discrimination.
Testing can proceed with the available participants. Where possible, include any available biological relative to strengthen the statistical interpretation.
8 Physical Sample Collection Availability
Where to give your sample
Walk-in collection in Abuja, Lagos and Kaduna, or discreet home collection kits dispatched nationwide.
Abuja
DNA Labs Nigeria — Abuja
Plot 000, Central Business District, Abuja, Federal Capital Territory
📦Home collection kit: available for patients in every other Nigerian state.
Request dispatch through WhatsApp and we will arrange discreet courier delivery with
pre-paid return packaging.
Chat confidentially with a certified genetic counselor to confirm sample collection in Abuja, Lagos or Kaduna — or arrange discreet home delivery anywhere in Nigeria.