Dataset size
The latest Laboratory Services Providers run found 17 recommended brands and 26 cited sources in AI answers.
Laboratory Services Providers
This weekly AI Brand Index shows how AI tools answer buyer questions in the Laboratory Services Providers category. SupaIntent asks each LLM the same question: which brands are the most visible, significant, and recommended in that niche. Each system returns its own top. We track what brands are recommended, which cited sources are used and how positions move week to week. Use it to see the freshest AI visibility data for this category.
Updated 9 August 2026
Brands
Category coverage
17
ranked across AI engines
Sources
Evidence base
26
domains cited in answers
Brand sites
Official share
31%
from brand-owned domains
AI model filter
Position history
Position history chart for the top brands in this AI Brand Index category. Lower rank numbers mean stronger visibility.
| Brand | Latest rank |
|---|---|
| Quest Diagnostics | 1 |
| Labcorp | 2 |
| Sonic Healthcare | 3 |
| Eurofins Scientific | 4 |
| SYNLAB | 5 |
What AI tools say about Laboratory Services Providers
Movement
What changed this week?
Quest Diagnostics held the top position, but the ranking below it moved sharply: Fulgent Genetics entered the top 10 this week, while Roche Diagnostics, ARUP Laboratories and Mayo Clinic Laboratories dropped at least three positions.
Sources
Which sources shape AI answers?
No single publisher dominates. The most cited sources are Mordorintelligence, Grandviewresearch and Eurofins, which means the citation field is open.
Engines
Do AI engines agree on the leader?
All four engines name Quest Diagnostics first, which is unusual: in most categories the engines disagree.
Citation-ready
Key facts from this AI Brand Index report
Current leader
Quest Diagnostics ranks #1 for Laboratory Services Providers in the latest SupaIntent AI Brand Index run.
Top brands
Quest Diagnostics, Labcorp, and Sonic Healthcare lead Laboratory Services Providers across AI answers from ChatGPT, Google AI Mode, Gemini and Perplexity.
Brand sites
Mordorintelligence, Grandviewresearch, and Eurofins are the most cited brand sites in this category.
Weekly movement
Top 10 onlyEntered the index
New in the top 10
Fulgent Genetics#10
Biggest gains
Moved up this week
Sonic Healthcare3 to #3
SYNLAB3 to #5
Unilabs3 to #9
Biggest losses
Moved down this week
Roche Diagnostics4 to #13
ARUP Laboratories3 to #7
Mayo Clinic Laboratories3 to #8
Unchanged at the top
Leader held position
Quest Diagnosticsstayed #1
Rank history
Weekly rank changes for the current top 10
| Rank | Brand | Previous | Current | Change | Best |
|---|---|---|---|---|---|
| #1 | #1 | #1 | 0 | #1 | |
| #2 | #2 | #2 | 0 | #1 | |
| #3 | #6 | #3 | 3 | #3 | |
| #4 | #3 | #4 | 1 | #3 | |
| #5 | #8 | #5 | 3 | #5 | |
| #6 | #7 | #6 | 1 | #6 | |
| #7 | #4 | #7 | 3 | #4 | |
| #8 | #5 | #8 | 3 | #5 | |
| #9 | #12 | #9 | 3 | #7 | |
| #10 | New | #10 | New | #10 |
Current brand snapshot
17 brands
| # | Pos. | Brand |  ChatGPT |  Google AI Mode |  Gemini |  Perplexity | Seen in |
|---|---|---|---|---|---|---|---|
| 1 | 0 | #1 | #1 | #1 | #1 | | |
| 2 | 0 | #2 | #2 | #2 | #2 | | |
| 3 | +3 | #3 | #3 | #3 | #5 | | |
| 4 | -1 | #4 | #4 | #4 | #7 | | |
| 5 | +3 | #5 | #5 | #5 | - | | |
| 6 | +1 | #9 | - | #6 | #3 | | |
| 7 | -3 | #8 | #7 | #7 | - | | |
| 8 | -3 | #7 | #6 | - | #9 | | |
| 9 | +3 | #6 | - | #8 | - | | |
| 10 | New | - | - | - | #4 | | |
| 11 | New | #10 | #8 | #9 | - | | |
| 12 | New | - | - | - | #6 | | |
| 13 | -4 | - | - | - | #8 | | |
| 14 | New | - | #9 | - | - | | |
| 15 | +2 | - | #10 | - | - | | |
| 16 | 0 | - | - | #10 | - | | |
| 17 | New | U. U.S. Public Health Service (Commissioned Corps) / NBS Labs (CDC/NIH-associated laboratory services via HHS) | - | - | - | #10 | |
Current source snapshot
26 sources
| # | Source | Ment.Mentions | LLMs |
|---|---|---|---|
| 1 | 13 | | |
| 2 | 9 | | |
| 3 | EurofinsOfficial | 4 | |
| 4 | 4 | | |
| 5 | LabcorpOfficial | 3 | |
| 6 | 3 | | |
| 7 | 3 | | |
| 8 | BioreferenceOfficial | 2 | |
| 9 | CriverOfficial | 2 | |
| 10 | RocheOfficial | 2 | |
| 11 | FulgentgeneticsOfficial | 2 | |
| 12 | 2 | | |
| 13 | MayocliniclabsOfficial | 2 | |
| 14 | QuestdiagnosticsOfficial | 2 | |
| 15 | 2 | | |
| 16 | 2 | | |
| 17 | SonichealthcareOfficial | 2 | |
| 18 | 1 | | |
| 19 | 1 | | |
| 20 | 1 | | |
| 21 | 1 | | |
| 22 | 1 | | |
| 23 | 1 | | |
| 24 | 1 | | |
| 25 | 1 | | |
| 26 | 1 | |
Position history
Position history chart for the top brands in this AI Brand Index category. Lower rank numbers mean stronger visibility.
| Brand | Latest rank |
|---|---|
| Quest Diagnostics | 1 |
| Labcorp | 2 |
| Sonic Healthcare | 3 |
| Eurofins Scientific | 4 |
| SYNLAB | 5 |
Current brand snapshot
10 brands
| # | Pos. | Brand | ChatGPT | Google AI Mode | Gemini | Perplexity | Seen in |
|---|---|---|---|---|---|---|---|
| 1 | +1 | #1 | - | - | - | | |
| 2 | -1 | #2 | - | - | - | | |
| 3 | 0 | #3 | - | - | - | | |
| 4 | 0 | #4 | - | - | - | | |
| 5 | 0 | #5 | - | - | - | | |
| 6 | +2 | #6 | - | - | - | | |
| 7 | -1 | #7 | - | - | - | | |
| 8 | -1 | #8 | - | - | - | | |
| 9 | New | #9 | - | - | - | | |
| 10 | 0 | #10 | - | - | - | |
Current source snapshot
5 sources
| # | Source | Ment.Mentions | LLMs |
|---|---|---|---|
| 1 | 9 | | |
| 2 | 5 | | |
| 3 | 3 | | |
| 4 | 2 | | |
| 5 | 1 | |
Position history
Position history chart for the top brands in this AI Brand Index category. Lower rank numbers mean stronger visibility.
| Brand | Latest rank |
|---|---|
| Quest Diagnostics | 1 |
| Labcorp | 2 |
| Sonic Healthcare | 3 |
| Eurofins Scientific | 4 |
| Synlab Group | 5 |
Current brand snapshot
10 brands
| # | Pos. | Brand | ChatGPT | Google AI Mode | Gemini | Perplexity | Seen in |
|---|---|---|---|---|---|---|---|
| 1 | 0 | - | #1 | - | - | | |
| 2 | 0 | - | #2 | - | - | | |
| 3 | 0 | - | #3 | - | - | | |
| 4 | 0 | - | #4 | - | - | | |
| 5 | 0 | - | #5 | - | - | | |
| 6 | 0 | - | #6 | - | - | | |
| 7 | 0 | - | #7 | - | - | | |
| 8 | +1 | - | #8 | - | - | | |
| 9 | New | - | #9 | - | - | | |
| 10 | New | - | #10 | - | - | |
Current source snapshot
9 sources
| # | Source | Ment.Mentions | LLMs |
|---|---|---|---|
| 1 | 4 | | |
| 2 | EurofinsOfficial | 2 | |
| 3 | 2 | | |
| 4 | 1 | | |
| 5 | 1 | | |
| 6 | 1 | | |
| 7 | 1 | | |
| 8 | 1 | | |
| 9 | 1 | |
Position history
Position history chart for the top brands in this AI Brand Index category. Lower rank numbers mean stronger visibility.
| Brand | Latest rank |
|---|---|
| Quest Diagnostics | 1 |
| Labcorp | 2 |
| Sonic Healthcare | 3 |
| Eurofins Scientific | 4 |
| SYNLAB International | 5 |
Current brand snapshot
10 brands
| # | Pos. | Brand | ChatGPT | Google AI Mode | Gemini | Perplexity | Seen in |
|---|---|---|---|---|---|---|---|
| 1 | 0 | - | - | #1 | - | | |
| 2 | 0 | - | - | #2 | - | | |
| 3 | New | - | - | #3 | - | | |
| 4 | +6 | - | - | #4 | - | | |
| 5 | New | - | - | #5 | - | | |
| 6 | -2 | - | - | #6 | - | | |
| 7 | -4 | - | - | #7 | - | | |
| 8 | +1 | - | - | #8 | - | | |
| 9 | New | - | - | #9 | - | | |
| 10 | -3 | - | - | #10 | - | |
Current source snapshot
4 sources
| # | Source | Ment.Mentions | LLMs |
|---|---|---|---|
| 1 | 8 | | |
| 2 | 3 | | |
| 3 | 2 | | |
| 4 | LabcorpOfficial | 1 | |
Position history
Position history chart for the top brands in this AI Brand Index category. Lower rank numbers mean stronger visibility.
| Brand | Latest rank |
|---|---|
| Quest Diagnostics | 1 |
| Labcorp | 2 |
| BioReference Laboratories | 3 |
| Fulgent Genetics | 4 |
| Sonic Healthcare | 5 |
U.S. Public Health Service (Commissioned Corps) / NBS Labs (CDC/NIH-associated laboratory services via HHS)
Current brand snapshot
10 brands
| # | Pos. | Brand | ChatGPT | Google AI Mode | Gemini | Perplexity | Seen in |
|---|---|---|---|---|---|---|---|
| 1 | 0 | - | - | - | #1 | | |
| 2 | 0 | - | - | - | #2 | | |
| 3 | New | - | - | - | #3 | | |
| 4 | New | - | - | - | #4 | | |
| 5 | New | - | - | - | #5 | | |
| 6 | New | - | - | - | #6 | | |
| 7 | +3 | - | - | - | #7 | | |
| 8 | -5 | - | - | - | #8 | | |
| 9 | New | - | - | - | #9 | | |
| 10 | New | U. U.S. Public Health Service (Commissioned Corps) / NBS Labs (CDC/NIH-associated laboratory services via HHS) | - | - | - | #10 | |
Current source snapshot
11 sources
| # | Source | Ment.Mentions | LLMs |
|---|---|---|---|
| 1 | BioreferenceOfficial | 2 | |
| 2 | CriverOfficial | 2 | |
| 3 | RocheOfficial | 2 | |
| 4 | EurofinsOfficial | 2 | |
| 5 | FulgentgeneticsOfficial | 2 | |
| 6 | LabcorpOfficial | 2 | |
| 7 | MayocliniclabsOfficial | 2 | |
| 8 | QuestdiagnosticsOfficial | 2 | |
| 9 | SonichealthcareOfficial | 2 | |
| 10 | 1 | | |
| 11 | 1 | |
Common AI search questions about Laboratory Services Providers
Q1
Who leads Laboratory Services Providers in AI answers?
Quest Diagnostics is the most recommended laboratory services providers brand in the latest AI Brand Index run. The next highest-ranked brands are Labcorp and Sonic Healthcare. All four engines name Quest Diagnostics first, which is unusual: in most categories the engines disagree.
Q2
Which cited sources are used for Laboratory Services Providers?
The most cited sources for laboratory services providers recommendations are Mordorintelligence, Grandviewresearch and Eurofins, out of 26 tracked sources. No single publisher dominates. The most cited sources are Mordorintelligence, Grandviewresearch and Eurofins, which means the citation field is open.
Q3
How fresh is this Laboratory Services Providers ranking?
The AI Brand Index updates every Sunday. In the latest run, Fulgent Genetics entered the top 10 and Roche Diagnostics, Sonic Healthcare, SYNLAB, ARUP Laboratories and Mayo Clinic Laboratories and 1 other brand moved three or more positions in the laboratory services providers index.
How to cite this report
Cite the canonical SupaIntent report page when referencing this AI visibility ranking.
SupaIntent AI Brand Index: Laboratory Services Providers. https://supaintent.com/ai-brand-index/other-services-health-services-providers-laboratory-services-providers
Report data
Download the same ranking data used by the chart, tables and Dataset schema.
AI Brand Index methodology
Rankings use collected AI answers, cited sources, brand-site matching, and provider-level position history.
- SupaIntent measures buying-intent AI answers across ChatGPT, Google AI Mode, Gemini and Perplexity.
- This report uses the latest observed AI answers for Laboratory Services Providers, including 17 recommended brands and 26 cited sources.
- Brand sites are identified from official domains and subdomains, then separated from review, community and publisher sources.
- Weekly movement compares the latest rank with the previous collected position for each brand.
Reveal where AI sends your clients
Track prompt-level visibility across ChatGPT, Gemini, Perplexity, and Google AI search. See which competitors win the answer, which sources shape the response, and where your brand is missing.