Labcorp vs SiPhox Health:Which is more popular?
In October 2026, Labcorp had more branded searches than SiPhox Health among online blood testing services worldwide. Labcorp had about 22,200 branded searches, while SiPhox Health had 6,600. Labcorp made up 6.1% of all online blood testing service searches we track, and SiPhox Health accounted for 1.8%. When we asked ChatGPT and Google AI Overviews about online blood testing services, Labcorp appeared in four of the five answers and SiPhox Health in one. Labcorp was mentioned before SiPhox Health in four out of five answers.
Who do people search for more?
Labcorp, about 3 searches for every 1 for SiPhox Health
Who does AI mention more?
Labcorp, mentioned in 4 of 5 answers, SiPhox Health in 1
Who does AI recommend more?
Labcorp, named ahead of SiPhox Health in 4 of 5 answers
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Top online blood testing services in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Labcorp was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. SiPhox Health was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Labcorp was listed before SiPhox Health in four out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
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
See every answer about online blood testing services
5 answers
Asked ChatGPT
“Which online blood test service should I use?”
Asked ChatGPT
“What are the best services for ordering your own blood tests?”
Asked ChatGPT
“What's the best at-home blood test for checking my overall health?”
Searched Google, AI Overview
“at home blood test”
Searched Google, AI Overview
“order blood test online”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 25, 2026.
Is Labcorp or SiPhox Health more popular in search?
This chart shows how often people search Google for Labcorp and SiPhox Health by name. Each line represents a brand's share of searches for all 12 online blood testing services we track, month by month, from English-language searches worldwide.
Share of searches by month for Labcorp, SiPhox Health. The figures are in the table below the chart.
View monthly share of searches table
| Month | Function Health | Everlywell | Medichecks | Labcorp | Marek Health | Quest Diagnostics | LetsGetChecked | Thriva | Ulta Lab Tests | SiPhox Health | InsideTracker | Superpower |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 53.1% | 10.7% | 10.7% | 7.2% | 3.9% | 2.1% | 2.6% | 3.9% | 1.4% | 0.5% | 2.6% | 1.2% |
| Dec 2025 | 52.8% | 10.6% | 8.7% | 10.6% | 3.9% | 2.1% | 2.1% | 3.2% | 1.7% | 0.5% | 2.6% | 1.2% |
| Jan 2026 | 46.7% | 9.4% | 11.5% | 14.1% | 3.4% | 2.3% | 2.3% | 4.2% | 2.3% | 0.67% | 1.9% | 1.3% |
| Feb 2026 | 54.2% | 8.9% | 10.9% | 7.3% | 4% | 2.2% | 2.2% | 4% | 2.7% | 0.65% | 1.8% | 1.2% |
| Mar 2026 | 56.2% | 9.2% | 9.2% | 7.6% | 3.4% | 2.3% | 1.8% | 4.1% | 2.3% | 0.82% | 1.8% | 1.2% |
| Apr 2026 | 51.6% | 10.4% | 10.4% | 8.5% | 3.8% | 2.5% | 2.1% | 3.8% | 2.5% | 0.92% | 2.1% | 1.4% |
| May 2026 | 54% | 8.9% | 10.9% | 7.3% | 4% | 2.7% | 2.2% | 4% | 2.2% | 0.78% | 1.8% | 1.5% |
| Jun 2026 | 54.2% | 8.9% | 10.9% | 6% | 4% | 2.7% | 2.2% | 4% | 2.7% | 0.97% | 1.8% | 1.8% |
| Jul 2026 | 54.8% | 9% | 11.1% | 6.1% | 4% | 2.7% | 2.2% | 3.3% | 2.7% | 0.79% | 1.5% | 1.8% |
| Aug 2026 | 52% | 8.6% | 10.5% | 10.5% | 3.8% | 3.1% | 2.1% | 3.1% | 2.1% | 1.1% | 1.4% | 1.7% |
| Sep 2026 | 49.4% | 12.1% | 12.1% | 6.6% | 3.6% | 3% | 3% | 3% | 2.4% | 1.6% | 1.6% | 1.6% |
| Oct 2026 | 55% | 13.6% | 9.1% | 6.1% | 2.7% | 2.7% | 2.2% | 2.2% | 2.2% | 1.8% | 1.2% | 1.2% |
How has branded search for Labcorp and SiPhox Health changed worldwide over the last 12 months?
3 findings
- Labcorp was ahead of SiPhox Health in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Labcorp’s share of searches among online blood testing services worldwide moved from 7.2% to 6.1%, and its estimated monthly branded searches moved from 27.1K to 22.2K.
- Across the 12 months ending October 2026, SiPhox Health’s share of searches among online blood testing services worldwide moved from 0.5% to 1.8%, and its estimated monthly branded searches moved from 1.9K to 6.6K.
How did search popularity change for online blood testing services worldwide in October 2026?
2 changes
In October 2026, Labcorp lost share of searches among online blood testing services worldwide, from 6.6% to 6.1%.
SiPhox Health’s share of searches among online blood testing services worldwide has gained ground for 3 months in a row, from 0.79% to 1.8% in October 2026.
How are Labcorp’s and SiPhox Health’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Labcorp’s and SiPhox Health’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 ondemand
SiPhox Health
1 branded search term
- siphox
Other head-to-heads among online blood testing services
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