# Quest Diagnostics

**Canonical:** https://apis.io/providers/quest-diagnostics/  
**Website:** https://www.questdiagnostics.com  
**APIs profiled:** 2

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.

## Kin Score — 8.1 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 8.1).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Health**: 7.5 (matched via tags).

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Enterprise · Requires approval — onboarding: approval, pricing: enterprise, trial: no (confidence: medium).

## APIs (2)

- **Quanum Data Exchange** — Quanum Data Exchange is Quest's interoperability service for delivering laboratory and diagnostic results into electronic health record systems, enabling integrated ordering and...
- **Quanum eLabs** — 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 Q...

## Security (1)

- **Quest Diagnostics Domain Security** — TLSv1.2 · HSTS · DMARC

## Plans (1)

- **Quest Diagnostics Plans Pricing**

## Tags

Diagnostics, Fortune 500, Healthcare, Laboratory, Lab Services

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/quest-diagnostics/). Scores are computed from the provider's own public artifacts under a published rubric.
