Quest Diagnostics

Quest Diagnostics is a Fortune 500 company and the world's leading provider of diagnostic information services that patients and doctors can rely on to make better healthcare decisions. Quest operates 2,000+ patient service centers, performs 200+ million tests annually, and supplies its Quanum family of solutions for connecting laboratories, EHR systems, and health plans.

Quest Diagnostics publishes 2 APIs on the APIs.io network. Tagged areas include Diagnostics, Fortune 500, Healthcare, Laboratory, and Lab Services.

Quest Diagnostics’ developer surface includes engineering blog and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

13.8/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessEnterpriseApproval

2 APIs

DiagnosticsFortune 500HealthcareLaboratoryLab Services

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 13.8/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.4 / 20

Commercial Clarity 5.8 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 5.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Quest Diagnostics Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Press 5

Recent news and press coverage referencing this provider.

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Other 4

Properties that don't map to a standard resource type

Healthcare Professionals

Healthcare Professionals

Business Solutions

Business Solutions

MyQuest

MyQuest

Quest Health

Quest Health

Source (apis.yml)

aid: quest-diagnostics
name: Quest Diagnostics
description: Quest Diagnostics is a Fortune 500 company and the world's leading provider of diagnostic information services
  that patients and doctors can rely on to make better healthcare decisions. Quest operates 2,000+ patient service centers,
  performs 200+ million tests annually, and supplies its Quanum family of solutions for connecting laboratories, EHR systems,
  and health plans.
type: Index
accessModel:
  pricing: enterprise
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Enterprise · Requires approval
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/quest-diagnostics.png
tags:
- Diagnostics
- Fortune 500
- Healthcare
- Laboratory
- Lab Services
url: https://raw.githubusercontent.com/api-evangelist/quest-diagnostics/refs/heads/main/apis.yml
created: '2026-03-21'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: quest-diagnostics:quanum-data-exchange
  name: Quanum Data Exchange
  description: Quanum Data Exchange is Quest's interoperability service for delivering laboratory and diagnostic results into
    electronic health record systems, enabling integrated ordering and resulting workflows across healthcare organizations.
  humanURL: https://www.questdiagnostics.com/business-solutions/health-systems-it-solutions
  tags:
  - Healthcare
  - Lab Results
  - Interoperability
  - EHR
  properties:
  - type: Documentation
    url: https://www.questdiagnostics.com/business-solutions/health-systems-it-solutions
- aid: quest-diagnostics:quanum-elabs
  name: Quanum eLabs
  description: Quanum eLabs is a web-based laboratory ordering and results delivery service that integrates with provider
    workflows so clinicians can submit orders, track samples, and review Quest results electronically.
  humanURL: https://www.questdiagnostics.com/healthcare-professionals/about-our-tests/quanum-elabs
  tags:
  - Healthcare
  - Lab Orders
  - Lab Results
  properties:
  - type: Documentation
    url: https://www.questdiagnostics.com/healthcare-professionals/about-our-tests/quanum-elabs
common:
- type: DomainSecurity
  url: security/quest-diagnostics-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/quest-diagnostics
- type: Website
  url: https://www.questdiagnostics.com
- type: Healthcare Professionals
  url: https://www.questdiagnostics.com/healthcare-professionals
- type: Business Solutions
  url: https://www.questdiagnostics.com/business-solutions
- type: MyQuest
  url: https://myquest.questdiagnostics.com/
- type: Quest Health
  url: https://www.questhealth.com/
- url: https://newsroom.questdiagnostics.com/
  type: Blog
maintainers:
- FN: API Evangelist
  email: info@apievangelist.com

Quest Diagnostics

Kin Score

APIs 2

Quanum Data Exchange

Quanum eLabs

Pricing Plans 1

Quest Diagnostics Plans Pricing

Rate Limits 1

Quest Diagnostics Rate Limits

FinOps 1

Quest Diagnostics Finops

Security Posture 1

Quest Diagnostics Domain Security

Press 5

Quest Diagnostics to Acquire PathAI ...

Quest Diagnostics to Collaborate with Google Cloud ...

Automation and artificial intelligence are reshaping the ...

We are excited to introduce Quest AI Companion, a new AI ...

Quest Diagnostics Introduces AI Companion to Help ...

Resources

Access & Security 1

Company 3

Other 4

Source (apis.yml)