# Quest Diagnostics

We monitor the [subprocessor list Quest Diagnostics publishes](https://www.questdiagnostics.com/our-company/subprocessorlists), which we last checked on 2026-11-11, but have not read any entries from it. A reading from 2026-10-22 is being checked.

Quest Diagnostics (questdiagnostics.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/quest-diagnostics
- Documents last verified: 2026-11-11
- Transparency rating: 14/100 (how much it publishes, not how secure it is): Subprocessor list 0/30 (published; no entries could be read); Processing locations 0/8 (no list); Purposes 0/7 (no list); Data processing addendum 0/12 (not found); Trust center 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); Security page 0/5 (not found); Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 0 tracked vendors directly, 0 within two hops, 0 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Quest Diagnostics, Third Party Index, https://thirdpartyindex.com/vendors/quest-diagnostics (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://www.questdiagnostics.com/our-company/subprocessorlists | 2026-11-11 | 2026-10-22 |
| Privacy policy | https://www.questdiagnostics.com/our-company/privacy | 2026-11-11 | 2026-10-22 |
| Terms | https://www.questdiagnostics.com/our-company/terms-conditions | 2026-11-11 | 2026-10-22 |

## Subprocessors (0)

No subprocessor list has been found or read for this vendor.

## Security program

What QUEST DIAGNOSTICS INC's Form 10-K for fiscal 2025, filed Feb 26, 2026 (Item 1C) says, in its words (https://www.sec.gov/Archives/edgar/data/1022079/000102207926000015/0001022079-26-000015-index.htm).

- Led by: Chief Information Security Officer
- Board oversight: Audit and Finance Committee, Cybersecurity Committee
- Frameworks named: NIST, SOC 2, PCI DSS, MITRE ATT&CK
- Practices named: Vulnerability management, Threat intelligence
- Engages outside assessors or consultants
- Reviews its suppliers' security

## Web Technologies

Quest Diagnostics's homepage made 123 requests to 6 domains, and 3 services controlled by another company. Loaded on 2026-11-04 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

3 third parties by category: Tag managers 1 (Tealium); Marketing automation 1 (usually detected as Marketing automation: Adobe); Cookie compliance 1 (OneTrust). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (3)

- Adobe: 22 requests to scene7.com, rum.hlx.page
- OneTrust: 11 requests to cookielaw.org, onetrust.com; OneTrust
- Tealium: 3 requests to tiqcdn.com; Tealium

### First party (1)

- Quest Diagnostics: 87 requests to questdiagnostics.com; Adobe Client Data Layer 2.0.2, Adobe Dynamic Media Classic, Adobe Experience Manager, Apache HTTP Server, HSTS, Java, Swiper, jQuery 1.12.4, lit-html 1.4.1

3 tracked companies loaded by the homepage are not in Quest Diagnostics's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (0)

No tracked vendor lists it.

## Federal contracts

U.S. government prime awards and reported subawards to its UEI (GLPMEN5F8LZ1, UC5SPMUJF8V3), from USAspending, by funding agency. Records show funding, not use.

| Agency | Department | Prime awards | Obligated | Subawards | Subaward total | First | Last |
|---|---|---|---|---|---|---|---|
| Department of Veterans Affairs | Department of Veterans Affairs | 1359 | $1.05B | — | — | 2008-10-01 | 2026-11-03 |
| Centers for Disease Control and Prevention | Department of Health and Human Services | 27 | $93.1M | 1 | $38.9M | 2008-09-10 | 2026-09-15 |
| Federal Prison System / Bureau of Prisons | Department of Justice | 3627 | $121.7M | — | — | 2009-10-01 | 2026-10-28 |
| Office of the Assistant Secretary for Administration | Department of Health and Human Services | 11 | $40.6M | — | — | 2020-04-04 | 2026-04-13 |
| Indian Health Service | Department of Health and Human Services | 420 | $22.3M | — | — | 2009-02-01 | 2026-11-04 |
| National Institutes of Health | Department of Health and Human Services | 50 | $5.4M | 2 | $347.4K | 2009-06-26 | 2026-09-22 |
| Department of the Army | Department of Defense | 228 | $4.6M | — | — | 2003-04-01 | 2026-06-04 |
| U.S. Coast Guard | Department of Homeland Security | 7 | $4.2M | — | — | 2006-02-11 | 2025-02-03 |
| Department of the Navy | Department of Defense | 20 | $3.0M | — | — | 2003-06-06 | 2019-12-04 |
| Department of the Air Force | Department of Defense | 22 | $1.4M | 2 | $335.9K | 2003-04-02 | 2026-07-21 |
| Departmental Offices | Department of the Interior | 3 | $1.2M | — | — | 2003-10-01 | 2012-11-27 |
| Office of the Chief Procurement Officer | Department of Homeland Security | 9 | $778.5K | — | — | 2008-05-15 | 2017-05-31 |
| Health Resources and Services Administration | Department of Health and Human Services | 7 | $736.7K | — | — | 2021-09-28 | 2026-09-29 |
| Peace Corps | Peace Corps | 3 | $658.8K | — | — | 2012-01-17 | 2025-09-10 |
| Federal Railroad Administration | Department of Transportation | 4 | $564.1K | — | — | 2009-01-07 | 2014-09-17 |

And 23 more agencies.
5868 records ([evidence](https://thirdpartyindex.com/evidence/243795)). Details: https://thirdpartyindex.com/vendors/quest-diagnostics/federal

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Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api
