Brandwave

Labcorp vs Walk-In Lab:Which is more popular?

In September 2026, Labcorp had more branded searches than Walk-In Lab among lab testing companies in the United States. Labcorp had about 4.1 million branded searches, while Walk-In Lab had 12,100. Labcorp made up 48.3% of all lab testing company searches we track, and Walk-In Lab accounted for 0.14%. When we asked ChatGPT and Google AI Overviews about lab testing companies, Labcorp appeared in all four answers and Walk-In Lab in none.

Among lab testing companies in the United States in September 2026

Who do people search for more?

Labcorp, about 338 searches for every 1 for Walk-In Lab

Labcorp 4.1M searchesWalk-In Lab 12.1K searches

Who does AI mention more?

Labcorp, mentioned in every answer we collected

Labcorp in 4 of 4Walk-In Lab in 0 of 4

Who does AI recommend more?

Labcorp, the only one of the two named

Labcorp first in 3Walk-In Lab never named

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Top lab testing companies in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Labcorp appeared in all four answers. Walk-In Lab did not appear in any of the four answers.

Most recommended by AI

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

  1. Labcorp1st
  2. Quest Diagnostics2nd
  3. Any Lab Test Now–
  4. Sonora Quest–
  5. Walk-In Lab–
  6. Ulta Lab Tests–

Mentioned by AI

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

  • Labcorp4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Quest Diagnostics4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Any Lab Test Now0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Sonora Quest0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Walk-In Lab0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Ulta Lab Tests0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about lab testing companies

4 answers

Brands are shown in the order each answer named them. The survey took place in United States on October 23, 2026.

Is Labcorp or Walk-In Lab more popular in search?

This chart shows how often people search Google for Labcorp and Walk-In Lab by name. Each line represents a brand's share of searches for all six lab testing companies we track, month by month, from searches in United States.

Labcorp and Walk-In Lab among lab testing companies in the United States, by month

Share of searches by month for Labcorp, Walk-In Lab. The figures are in the table below the chart.

View monthly share of searches table
MonthLabcorpQuest DiagnosticsAny Lab Test NowSonora QuestWalk-In LabUlta Lab Tests
Oct 202543.5%53.1%1.8%1.4%0.13%0.06%
Nov 202548.5%48.5%1.6%1.3%0.12%0.06%
Dec 202548.4%48.4%1.6%1.3%0.14%0.08%
Jan 202648.1%48.1%1.9%1.6%0.17%0.12%
Feb 202648.3%48.3%1.6%1.6%0.14%0.12%
Mar 202648.4%48.4%1.6%1.3%0.14%0.1%
Apr 202643.4%53.1%1.8%1.4%0.16%0.11%
May 202648.3%48.3%1.6%1.6%0.17%0.1%
Jun 202648.3%48.3%1.6%1.6%0.14%0.12%
Jul 202648.2%48.2%1.6%1.6%0.26%0.12%
Aug 202648.3%48.3%1.6%1.6%0.21%0.1%
Sep 202648.3%48.3%1.6%1.6%0.14%0.1%

How has the Labcorp and Walk-In Lab comparison changed over the last 12 months?

3 findings

How did search popularity change for United States lab testing companies in September 2026?

0 changes

Neither Labcorp nor Walk-In Lab moved beyond provider rounding among lab testing companies in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Labcorp’s and Walk-In Lab’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Labcorp

1 branded search term

  • labcorp

Walk-In Lab

1 branded search term

  • walk in lab

How the Brand Demand Index is measured

Other head-to-heads among lab testing companies

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