Brandwave

How popular isQuest Diagnostics?

In October 2026, people searched for Quest Diagnostics by name about 9,900 times worldwide, a 22.2% increase from the previous year. These searches made up 2.7% of all global online blood testing service searches, placing Quest Diagnostics sixth out of 12 services. When we asked both ChatGPT and Google AI Overviews about online blood testing services, Quest Diagnostics appeared in two of the five answers and was the joint fourth most recommended of the 12.

Search and AI answers in October 2026

Quest Diagnostics is the sixth most searched of 12 competitors and the joint fourth most recommended in the AI answers we collected.

  1. Function HealthShare of searches 55%Mentioned in 2 of 5 AI answersPlace in AI recommendations 2nd
  2. EverlywellShare of searches 13.6%Mentioned in 1 of 5 AI answersPlace in AI recommendations 7th
  3. MedichecksShare of searches 9.1%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. LabcorpShare of searches 6.1%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  5. Quest DiagnosticsShare of searches 2.7%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th

+7 more

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Top online blood testing services in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Quest Diagnostics was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Quest Diagnostics is the joint fourth most recommended of the 12.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Labcorp1st
  2. Function Health2nd
  3. SiPhox Health2nd
  4. Quest Diagnostics4th
  5. Ulta Lab Tests4th
  6. Superpower6th
  7. Everlywell7th
  8. LetsGetChecked8th
  9. Medichecks–
  10. Marek Health–
  11. +2 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Labcorp4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Function Health2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Quest Diagnostics2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Everlywell1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • LetsGetChecked1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Ulta Lab Tests1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • SiPhox Health1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Superpower1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Medichecks0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Marek Health0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+2 more

See every answer about online blood testing services

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 25, 2026.

How often do people search for Quest Diagnostics compared with other online blood testing services worldwide?

Quest Diagnostics against online blood testing services worldwide, by month

Share of searches by month for Function Health, Everlywell, Medichecks, Labcorp, Marek Health, Quest Diagnostics, LetsGetChecked, Thriva, Ulta Lab Tests. The figures are in the table below the chart.

View monthly share of searches table
MonthFunction HealthEverlywellMedichecksLabcorpMarek HealthQuest DiagnosticsLetsGetCheckedThrivaUlta Lab TestsSiPhox HealthInsideTrackerSuperpower
Nov 202553.1%10.7%10.7%7.2%3.9%2.1%2.6%3.9%1.4%0.5%2.6%1.2%
Dec 202552.8%10.6%8.7%10.6%3.9%2.1%2.1%3.2%1.7%0.5%2.6%1.2%
Jan 202646.7%9.4%11.5%14.1%3.4%2.3%2.3%4.2%2.3%0.67%1.9%1.3%
Feb 202654.2%8.9%10.9%7.3%4%2.2%2.2%4%2.7%0.65%1.8%1.2%
Mar 202656.2%9.2%9.2%7.6%3.4%2.3%1.8%4.1%2.3%0.82%1.8%1.2%
Apr 202651.6%10.4%10.4%8.5%3.8%2.5%2.1%3.8%2.5%0.92%2.1%1.4%
May 202654%8.9%10.9%7.3%4%2.7%2.2%4%2.2%0.78%1.8%1.5%
Jun 202654.2%8.9%10.9%6%4%2.7%2.2%4%2.7%0.97%1.8%1.8%
Jul 202654.8%9%11.1%6.1%4%2.7%2.2%3.3%2.7%0.79%1.5%1.8%
Aug 202652%8.6%10.5%10.5%3.8%3.1%2.1%3.1%2.1%1.1%1.4%1.7%
Sep 202649.4%12.1%12.1%6.6%3.6%3%3%3%2.4%1.6%1.6%1.6%
Oct 202655%13.6%9.1%6.1%2.7%2.7%2.2%2.2%2.2%1.8%1.2%1.2%
  1. Held 1st. 201K estimated branded searches, +21.8% vs prior month. Share +5.7 points.

  2. 2.Everlywell

    13.6%

    Held 2nd. 49.5K estimated branded searches, +22.2% vs prior month. Share +1.4 points.

  3. Held 3rd. 33.1K estimated branded searches, -18.3% vs prior month. Share -3.1 points.

  4. 4.Labcorp

    6.1%

    Held 4th. 22.2K estimated branded searches, 0% vs prior month. Share -0.6 points.

  5. Held 5th. 9.9K estimated branded searches, -18.2% vs prior month. Share -0.9 points.

  6. Moved from 7th to 6th. 9.9K estimated branded searches, 0% vs prior month. Share -0.3 points.

  7. Moved from 6th to 7th. 8.1K estimated branded searches, -18.2% vs prior month. Share -0.7 points.

  8. 8.Thriva

    2.2%

    Held 8th. 8.1K estimated branded searches, -18.2% vs prior month. Share -0.7 points.

  9. Held 9th. 8.1K estimated branded searches, 0% vs prior month. Share -0.2 points.

  10. Moved from 11th to 10th. 6.6K estimated branded searches, +22.2% vs prior month. Share +0.2 points.

  11. Moved from 10th to 11th. 4.4K estimated branded searches, -18.5% vs prior month. Share -0.4 points.

  12. 12.Superpower

    1.2%

    Held 12th. 4.4K estimated branded searches, -18.5% vs prior month. Share -0.4 points.

Compare popularity between Quest Diagnostics and its closest rivals

Every comparison with Quest Diagnostics

11 comparisons

How has branded search demand for Quest Diagnostics changed worldwide over the last 12 months?

4 findings
  • Across the 12 months ending October 2026, estimated monthly branded searches for Quest Diagnostics worldwide rose from 8.1K to 9.9K.
  • Across the 12 months ending October 2026, Quest Diagnostics’ share of searches among online blood testing services worldwide increased from 2.1% to 2.7%.
  • Across the 12 months ending October 2026, Quest Diagnostics’ share of searches among online blood testing services worldwide peaked at 3.1% in August 2026 and was lowest at 2.1% in December 2025.
  • Across the 12 months ending October 2026, Quest Diagnostics rose from 9th to 6th among online blood testing services worldwide.

How did search popularity change for online blood testing services worldwide in October 2026?

6 changes
  1. In October 2026, Function Health gained share of searches among online blood testing services worldwide, from 49.4% to 55%.

  2. In October 2026, Everlywell gained share of searches among online blood testing services worldwide, from 12.1% to 13.6%.

  3. In October 2026, Medichecks lost share of searches among online blood testing services worldwide, from 12.1% to 9.1%.

  4. In October 2026, Marek Health lost share of searches among online blood testing services worldwide, from 3.6% to 2.7%.

  5. In October 2026, LetsGetChecked lost share of searches among online blood testing services worldwide, from 3% to 2.2%.

  6. In October 2026, Thriva lost share of searches among online blood testing services worldwide, from 3% to 2.2%.

How are Quest Diagnostics’ branded searches counted?

1 search term

Brandwave collects information about searches that people make online using Quest Diagnostics’ name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • quest health

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How the Brand Demand Index is measured

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