PSC Q301: Reference Laboratory Testing
Q301 is the product and service code (PSC) federal agencies use for reference laboratory testing, in the laboratory testing services group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 13
- Spending, FY2026
- $392.3 million
- Share to small businesses
- 13%
Open contracts with PSC Q301, due soonest
- New Lab Staffing Contract Fiscal Year 2027-Path & Lab
Due in 4 daysOct 14, 2026
- New Lab Staffing Contract Fiscal Year 2027-Path & Lab
Due in 4 daysOct 14, 2026
- New Reference Lab Testing | Legacy VISN 15
✦ The VA's Network Contracting Office 15 plans to buy reference lab testing (clinical and anatomical pathology) for VA medical centers across Legacy VISN 15 (Missouri, Kansas,…
Due in 5 daysOct 14, 2026
- MAMC Newborn Screening Services
✦ The Defense Health Agency (for Madigan Army Medical Center, Washington) plans to award a sole-source contract to the Washington State Department of Health for newborn screening…
Due in 6 daysOct 16, 2026
- EMERGENT REFERENCE LAB TESTING
Due in 40 daysNov 19, 2026
- Reference Laboratory Testing
✦ The VA's Network Contracting Office 2, for VISN 2 South, plans a requirements contract for reference and esoteric (specialized, send-out) laboratory testing for five VA medical…
Due in 51 daysNov 30, 2026
Where Q301 sits in the PSC Manual
- Category: Service
- Group Q: Medical Services
- Group Q3: Laboratory Testing Services
- Code Q301: Reference Laboratory Testing
NAICS codes used with PSC Q301
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Q301 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 621511 | Medical Laboratories | $1 billion |
| 541380 | Testing Laboratories and Services | $181 million |
| 541714 | Research and Development in Biotechnology (except Nanobiotechnology) | $69.4 million |
| 561320 | Temporary Help Services | $39.9 million |
| 541690 | Other Scientific and Technical Consulting Services | $26.4 million |
| 622110 | General Medical and Surgical Hospitals | $22 million |
| 541940 | Veterinary Services | On 1 open |
Who buys under PSC Q301
Agencies with the most contract dollars under Q301 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of Veterans Affairs | $1 billion |
| Department of the Army | $262.1 million |
| National Institutes of Health | $83.7 million |
| Indian Health Service | $74 million |
| Defense Health Agency | $44.1 million |
| Federal Prison System / Bureau of Prisons | $29.7 million |
| Department of the Navy | $26.8 million |
| Washington Headquarters Services | $18.8 million |
On open notices right now, the most Q301 work comes from Department of Veterans Affairs, Department of Agriculture and Dept of Defense.
Federal spending under PSC Q301 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $488.1 million |
| FY2025 | $511.4 million |
| FY2026 | $392.3 million |
| FY2027 (so far) | $82.8 million |
Who wins PSC Q301 contracts
| Company | Obligated, last 3 years |
|---|---|
| Laboratory Corporation of America | $293.6 million |
| Quest Diagnostics Incorporated | $292.4 million |
| Foundation Medicine, Inc. | $88.8 million |
| Verily Health Inc. | $40.7 million |
| Personalis, Inc. | $39.6 million |
| Center for Disease Detection, LLC | $36 million |
| Tempus Ai, Inc | $26.5 million |
| Baylor Miraca Genetics Laboratories LLC | $26 million |
| Arup Laboratories Inc | $25.5 million |
| Mriglobal | $25 million |
Frequently asked questions
What is PSC Q301?
Q301 is the service code in the federal Product and Service Code (PSC) Manual for reference laboratory testing, under Q (Medical Services) and Q3 (Laboratory Testing Services). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC Q301?
Most federal contract dollars under PSC Q301 go with NAICS 621511 (Medical Laboratories), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC Q301?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 13 open notices use PSC Q301 right now. FedReady can match new ones to your business and email you, free.