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Diagnostic Labs in Port Harcourt —
who to trust, and what reviewers mention.

77 diagnostic labs ranked by a published algorithm — Google ratings and review summaries, no pay‑to‑win. Generated 3 October 2026.

How we rank these: Each diagnostic lab is scored 0–100 across 6 dimensions — Google rating, review volume (log-scaled), recency, profile completeness, LLM-analysed sentiment, and claim verification. Payment is never part of the score. Full methodology →
Top score: 71.2/100Median: 50.8/100Algo: v2

The ranking — unbuyable, by the algorithm

How to choose safely

  • Always verify the business is registered with CAC before paying large sums.
  • Cross-check the phone number against an independent source.
  • Read the 1-star and 2-star reviews specifically — they reveal the failure modes.
  • If a listing has fewer than 20 reviews, treat the rating as provisional.

Frequently asked questions

How is this ranking calculated?

Each business gets a 0-100 composite score across 6 dimensions: Google rating, review volume (log-scaled), recency, profile completeness, LLM-analysed sentiment, and verification. Plus NG-specific dimensions like CAC registration.

Can a business pay to rank higher?

No. Payment is never part of the score.

How often is the list updated?

This list was generated on 3 October 2026. Each page shows when its data was last refreshed.