Quest Diagnostics

Healthcare & Medical • United Stateswww.questdiagnostics.com

Review data last updated August 10, 2026.

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Based on public reviews and response behavior.

Overall Score

37/100

−3.1 vs. last month1.55 ★ average rating · 600 reviews

Competitive Performance Rank

Among fully-analyzed Healthcare & Medical companies

#594of 615

Top 97% · Bottom Tier

#1 (best)#615 (worst)

#592Peer

#593Peer

#594This company

#595Peer

#596Peer

Overall Customer Sentiment

Below Average

25% of reviews positive, 74% negative

25%

positive

Positive25%
Neutral1%
Negative74%

Sentiment Balance

Covering September 2024 — 38 reviews, not the company's full review history.

Positive sentiment

Neutral sentiment

Negative sentiment

—

positive

Positive—
Neutral—
Negative—

Takeaway: Positive sentiment accounts for 24% of reviews in this period, with 74% negative and 3% neutral.

Sentiment Trend Over Time

Reviews (Count)

Showing 600 reviews across the months with enough data to chart reliably (min 3/month), most recent: September 2024.

Sentiment has been improving over the period shown.

Theme Distribution

Share of theme mentions

Customer Support

18.8%

Response Speed

17.9%

Loyalty

13.7%

Delivery Shipping

10.4%

Product Quality

9.7%

Most feedback concerns Customer Support.

The most common complaint theme is Customer Support, making up 18.8% of all theme mentions.

Churn Signal Score

Rule-based: negative-review share, churn-intent phrases, and sentiment movement over time.

HIGH99/100

99/100

signal score

•Built from a negative-review share of 78.7% across this company's analyzed reviews.
•12 reviews contain phrases that signal intent to leave, such as cancelling or switching provider.
•The share of negative reviews has held steady over time, so the trend doesn't move the score.

Reviewer Breakdown

Star split and recent-versus-earlier sentiment.

1.6avg rating

5★

11.8%

4★

0.5%

3★

1.0%

2★

4.3%

1★

82.3%

Based on 600 analyzed reviews. Sentiment is holding steady: 13.6% of reviews in the last three months were positive, compared with 11.7% in the three months before that.

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