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Quest

Clinical labs Β· United States

Quest

Rank#27Top 32%of 85 tracked

Updated 2026-10-08

Brand Visibility

15.9%

Prompt Coverage

17%

AI Sub-Searches

79

Query fan-outs

Total Mentions

7

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Tracked by AI Rankia Index

What AI Says About Quest

Real AI response mentioning Quest β€” captured live from ChatGPT Search.

In response to: β€œWhich are the best clinical laboratories in the US for routine lab tests?”

…are often more important. My shortlist | Laboratory | Best for | My take | | --- | --- | --- | | | Routine testing + nationwide access | Best overall for most people | | | Routine testing + broad menu | Excellent alternative to Quest | | | Complex/specialized testing | Exceptional, especially for unusual tests | | | Specialty/reference testing | Excellent academic/reference lab | | Major academic-hospital labs | Routine testing within their health system | Often

ChatGPT Search

Prompts Tracked in Clinical labs

AI Rankia runs these exact prompts across ChatGPT, Gemini, Perplexity, Claude & more to build this ranking.

1

β€œWhat's the best direct-to-consumer lab testing service in the US?”

normal result
2

β€œWhat are the top clinical laboratory companies in the United States for cancer blood tests?”

normal result
3

β€œI need a cortisol blood test in the US, which lab should I go to?”

normal result

9 more prompts tracked Β·

Each prompt fans out into dozens of AI sub-searches β€”never miss the semantic gaps ↓
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AI Model Breakdown

How often each AI search engine recommends Quest.

Strongest AI Model

ChatGPT Search β€” mentioned in 61% of prompts

ChatGPT Search
61%
Gemini
--%
Perplexity
--%
Claude
--%
Grok
--%

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Nearby Competitors

Brands ranked closest to Quest in AI search visibility.

β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆ--%
β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆ--%
β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆ--%

Prompts Mentioning Quest

The exact buyer questions where AI recommends Quest.

Pro
1

Which are the best clinical laboratories in the US for routine lab tests?

ChatGPT Search95% vis
2

What are the best pathology labs in the United States?

ChatGPT Search75% vis
3

I need a cortisol blood test in the US, which lab should I go to?

ChatGPT Search0% vis
4

I need a cortisol blood test in the US, which lab should I go to?

Google AI Overviews0% vis
5

I need a cortisol blood test in the US, which lab should I go to?

Google AI Mode0% vis

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Citation Sources

Domains AI models cite when recommending Quest.

Pro
google.comGoogle AI Overviews
59citations
google.comGoogle AI Overviews
16citations
www.healthline.comGoogle AI Mode
8citations
www.reddit.comGoogle AI Mode
7citations
google.comGoogle AI Overviews
6citations
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Citation URLs

Specific pages AI links to when answering clinical labs questions.

Pro
www.healthlabs.comGoogle AI Mode Β· 4 citations
www.labcorp.com/patients/labcorp-ondemandChatGPT Search Β· 4 citations
www.reddit.com/r/healthcare/comments/13p1gf4/what_is_a_the_cheapest_way_to_get_blood_work_doneGoogle AI Mode Β· 4 citations
rankings.economy.ac/healthcare/news/2026/05/202605288866Google AI Mode Β· 3 citations
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Query Fan-Out Intelligence

Every prompt fans out into dozens of sub-searches across AI models β€” covering every semantic angle a buyer might take. Miss one, and a competitor ranks instead.

79 sub-searches found
#AI Sub-Search QueryCount% Share
1ARUP Laboratories pathology services reference testing official pathology consultation1
33.3%
2best anatomic pathology laboratory United States academic pathology lab CAP accreditation Mayo Cleveland Clinic Johns Hopkins1
33.3%
3CAP accredited laboratory directory pathology United States patient reference lab official1
33.3%
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Do you rank in Google for these 79 AI sub-searches?

When AI recommends a clinical labs brand, it doesn't just pick a name β€” it silently runs 79 sub-searchesacross Google to find corroborating evidence. Brands that rank for those queries get cited. Brands that don't, get skipped.

Our Query Fan-Out Γ— Google Rank tool cross-references every AI sub-search against live Google rankings β€” so you can see exactly which ones Quest wins, which ones competitors outrank you on, and where to focus first.

Match my Google rankings to AI sub-searches β†’

Is Quest your company?

Claim your free AI visibility profile to track your ranking weekly, see which prompts mention you, and discover how to improve your AI search presence.

About Quest's AI Search Visibility

This ranking is powered by the AI Rankia Universal Brand Index (UBI) β€” a system that sends real buyer queries to ChatGPT, Google Gemini, Perplexity AI, Claude, Grok, and Google AI Mode, then measures which clinical labs each model recommends. Rankings are updated regularly as AI models evolve.

Quest achieved a prompt coverage of 17% β€” appearing in 2 of 12 tracked buyer queries β€” with an AI visibility score of 15.9%, placing them #27 of 85 clinical labs in United States.

Quest's strongest AI model is ChatGPT Search, cited in 61% of relevant prompts.

Seeing this ranking is step one. AI Rankia is the autonomous AI-visibility platform that acts on itβ€” where read-only tools (Profound, Otterly, Semrush) just hand you a report, AI Rankia's agents publish the content AI cites, deploy the schema, llms.txt and internal links straight to your live site, buy the links AI already trusts for your competitors, and prove the citation lift against a control. Its Get Cited PR toolkit finds the journalists and creators who cover clinical labs and automates the whole outreach β€” discover contacts, AI-write each pitch, send from your Gmail and track replies. Switch on autopilot and the agents run the entire loop end to end, every day β€” Monitor β†’ Get Cited β†’ Content Hub β†’ AI Links β€” or take full manual control of every article, prompt, schema tag and link. Built for the teams that own clinical labs visibility: agencies reporting to clients, and brands who want to move up this ranking instead of just watching it.

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