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Ranked shortlist · 10 of 126 diagnostic imaging and labs
Best diagnostic imaging and labs in Chennai
The 10 most notable diagnostic imaging and labs in Chennai, in rank order. The order is curation quality — how well attested and how complete each record is — not popularity, and no place on this list paid to be on it.
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1
VRR Diagnostics
87, Burkit Rd
481 m from Mambalam railway station, rail
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.99 · rank score 2.388, percentile 100 of 126
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2
Bloodoxy scans and labs
32, 1st Cross St
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.99 · rank score 2.382, percentile 99.2 of 126
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3
Anderson Diagnostics and Labs
No. 150, Poonamallee High Rd, opp. to Dasaprakash Hotel
430 m from Nehru Park metro station, metro
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.99 · rank score 2.377, percentile 98.4 of 126
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4
Priya Diagnostic Centre
1st Avenue Road, Sastri
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.99 · rank score 2.345, percentile 97.6 of 126
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5
Metropolis Healthcare Limited - Best Diagnostic Centre In Ayanavaram
New No 156, Old No 326, Ground Floor, Konnur High Road, Ayanavaram
listed by Microsoft and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.99 · rank score 2.343, percentile 96.8 of 126
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6
Ammagenomics Molecular Testing Laboratory
1/87, Opposite to Central Warehouse, AVM Nagar, Arcot Road, Virugambakkam, Chennai 600092
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.99 · rank score 2.332, percentile 96 of 126
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7
Gemini Scans
734,(633/5),Periyar E.V.R Salai, opp. Ampa Skywalk Mall, Service road
722 m from Shenoy Nagar metro station, metro
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.98 · rank score 2.314, percentile 95.2 of 126
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8
Kamatchi Diagnostic Centre
Medavakkam Main Road, Eachangadu Junction, Kovilambakkam
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.98 · rank score 2.300, percentile 94.4 of 126
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9
Rakki dental lab
No-26, 9, New Avadi Rd
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.98 · rank score 2.277, percentile 93.6 of 126
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10
Anderson Diagnostic and Lab
Uthamar Gandhi Salai
listed by Meta and Overture Maps Foundation · record has a website, a phone and an address · Overture confidence 0.98 · rank score 2.275, percentile 92.8 of 126
How this list is made
Every place in this group was scored by the same model, with each term z-normalised inside the group and capped, so a famous chain cannot win by being famous everywhere. The weights, verbatim:
- attestation by independent providers
- +0.35
- record completeness (website, phone, address)
- +0.25
- Overture existence confidence
- +0.20
- Michelin designation (Wikidata, CC0)
- +0.40
- brand fame (Wikidata sitelinks)
- −0.15
- same-name chain collision
- −0.30
Curation quality, not popularity: how well attested and how complete a record is.
No licensable popularity signal; this ranks curation quality, not taste
Independent check: 5,951 places listed in Wikivoyage (CC BY-SA 4.0; validation only, never published or scored) were matched to our records by name within 250 m. Across the 5,651 that fall in groups of at least 10, the median matched place sits at percentile 73 and 24.2% are in the top decile, against 10% by chance; five families have enough anchors to report (arts, food and drink, lodging, shopping, sport), while health care (5), lifestyle services (17), travel (26) have too few and are not validated. A match needs both the guide and the catalogue to name the same place, which favours well-attested places — a term this rank itself rewards — so these are lower bounds; Michelin's 528 in-group anchors have a median percentile of 100, but that is partly circular: across the Wikivoyage matches, the 17 that also carry the designation term this rank scores sit at 99.93, against 72.55 for the 5,934 without it.
The catalogue carries no rating, review count, price or opening hours, so this file has none.
Station locations from Wikidata (CC0-1.0). Nearest station, not service: no frequency, timetable or departures.
Nobody paid for placement: no ads, no sponsored results, no ratings for sale.
Data: AllThePlaces (CC0-1.0), BrightQuery (CDLA-Permissive-2.0), DAC (CDLA-Permissive-2.0), Foursquare Open Source Places (Apache-2.0), Meta (CDLA-Permissive-2.0), Microsoft (CDLA-Permissive-2.0), Overture Maps Foundation (CDLA-Permissive-2.0), PinMeTo (CDLA-Permissive-2.0), RenderSEO (CDLA-Permissive-2.0).