Reference Laboratory Testing Government Contracts
PSC Q301 Service code
Code facts
- Spend category
- Medical Healthcare Services
- Part of
-
-
Q
- Q3
-
Q
- Contract obligations
- $530,269,022 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Veterans Affairs | $336,904,578 | |
| 2 | Defense Health Agency | $112,261,262 | |
| 3 | Department of the Navy | $11,904,003 | |
| 4 | Department of Transportation | $9,763,781 | |
| 5 | Department of Justice | $8,804,615 | |
| 6 | Office of the Secretary of Defense | $3,958,924 | |
| 7 | Department of Homeland Security | $3,572,102 | |
| 8 | Department of State | $2,526,763 | |
| 9 | CSOSA | $2,384,612 | |
| 10 | Air Force | $1,270,762 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Quest Diagnostics Incorporated | $72,493,766 | |
| 2 | Laboratory Corporation Of America | $47,872,213 | |
| 3 | Foundation Medicine, Inc. | $19,162,860 | |
| 4 | Personalis, Inc. | $18,289,947 | |
| 5 | Center For Disease Detection, LLC | $13,602,800 | |
| 6 | Baylor Miraca Genetics Laboratories LLC | $11,632,922 | |
| 7 | The Henry M. Jackson Foundation For The Advancement Of Military Medicine, Inc. | $11,353,978 | |
| 8 | Infinity Biologix LLC | $11,345,252 | |
| 9 | Arup Laboratories Inc. | $11,140,758 | |
| 10 | Tempus AI, Inc. | $10,690,741 |
See the full FY2025 ranking of PSC Q301 contractors, by parent company.
Open contract opportunities
Show 7 more
Latest 17 of 18 listed here. See the rest on GovTribe.
Recent contract awards
Latest 10 of 1,288 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $25,141,568 |
| FY2026 | $370,192,039 |
| FY2025 | $530,269,022 |
| FY2024 | $489,863,971 |
| FY2023 | $158,305,723 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 621511 Medical Laboratories | $218,385,546 | |
| 2 | 541380 Testing Laboratories and Services | $49,416,802 | |
| 3 | 541714 Research and Development in Biotechnology (except Nanobiotechnology) | $27,065,141 | |
| 4 | 334516 Analytical Laboratory Instrument Manufacturing | $20,235,029 | |
| 5 | 561320 Temporary Help Services | $16,435,095 | |
| 6 | 621999 All Other Miscellaneous Ambulatory Health Care Services | $11,820,570 | |
| 7 | 325413 In-Vitro Diagnostic Substance Manufacturing | $11,744,616 | |
| 8 | 622110 General Medical and Surgical Hospitals | $8,382,914 | |
| 9 | 541690 Other Scientific and Technical Consulting Services | $7,143,674 | |
| 10 | 541990 All Other Professional, Scientific, and Technical Services | $6,180,359 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Texas | $55,468,854 | |
| 2 | Maryland | $55,211,995 | |
| 3 | Massachusetts | $28,811,423 | |
| 4 | Virginia | $25,451,722 | |
| 5 | Illinois | $24,778,178 | |
| 6 | New Jersey | $20,615,714 | |
| 7 | New York | $14,104,883 | |
| 8 | Pennsylvania | $13,450,595 | |
| 9 | District of Columbia | $11,069,650 | |
| 10 | Missouri | $10,449,887 | |
| 11 | Arizona | $10,190,335 | |
| 12 | Florida | $8,932,458 | |
| 13 | Washington | $8,698,626 | |
| 14 | Oregon | $7,574,453 | |
| 15 | South Carolina | $7,506,894 | |
| 16 | Minnesota | $6,553,479 | |
| 17 | Utah | $4,901,261 | |
| 18 | Georgia | $4,647,229 | |
| 19 | Tennessee | $4,239,046 | |
| 20 | South Dakota | $4,016,321 | |
| 21 | Wisconsin | $3,979,902 | |
| 22 | Nevada | $3,367,459 | |
| 23 | New Mexico | $3,198,317 | |
| 24 | Mississippi | $3,041,582 | |
| 25 | Colorado | $2,638,331 | |
| 26 | Indiana | $2,500,286 | |
| 27 | Iowa | $2,370,655 | |
| 28 | Idaho | $1,699,845 | |
| 29 | Kansas | $1,315,388 | |
| 30 | Connecticut | $1,314,495 | |
| 31 | Michigan | $1,260,187 | |
| 32 | North Dakota | $1,237,233 | |
| 33 | Alaska | $1,022,711 | |
| 34 | Montana | $924,064 | |
| 35 | Nebraska | $825,868 | |
| 36 | Hawaii | $751,921 | |
| 37 | Alabama | $609,696 | |
| 38 | Louisiana | $581,785 | |
| 39 | Oklahoma | $577,637 | |
| 40 | Ohio | $560,942 | |
| 41 | Guam | $504,903 | |
| 42 | New Hampshire | $402,628 | |
| 43 | Arkansas | $355,771 | |
| 44 | Puerto Rico | $269,567 | |
| 45 | Vermont | $207,023 | |
| 46 | Rhode Island | $151,998 | |
| 47 | U.S. Virgin Islands | $8,420 |
Show all 47
Shares are of everything obligated under PSC Q301 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Definition
Includes: All services performed in a reference laboratory. Services can be comprehensive or specific and generally include the following: blood counts, coagulation, clinical biochemistry, histopathology, cytopathology, molecular diagnostics, genetic testing, drug testing, etc.
Excludes: Hematology/Oncology (Q508), Services of a Pathologist, Laboratory Technician or Technologist (Q515), equipment (6632 or 6640), and reagents and test kits (6550).
Quick answers
What is PSC Q301?
PSC Q301 is Reference Laboratory Testing, a service code in PSC Q, Medical Services.
How many government contracts for reference laboratory testing are there?
18 contract opportunities under PSC Q301 are open now, and 145 notices were posted in the last 90 days. Federal agencies awarded 1,288 contracts under PSC Q301 in the last 12 months, obligating $316,602,804.
How much do federal agencies spend under PSC Q301?
Federal contracts under PSC Q301 obligated $530,269,022 in fiscal year 2025 and $1,573,772,323 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Q301?
The contractors with the most obligated under PSC Q301 in fiscal years 2026 and 2027 are Quest Diagnostics Incorporated ($72,493,766); Laboratory Corporation Of America ($47,872,213); and Foundation Medicine, Inc. ($19,162,860).
Which agencies buy the most under PSC Q301?
The agencies that obligated the most under PSC Q301 in fiscal years 2026 and 2027 are Department of Veterans Affairs ($336,904,578), Defense Health Agency ($112,261,262) and Department of the Navy ($11,904,003).
Which NAICS codes are used with PSC Q301?
The NAICS codes with the most obligated under PSC Q301 in fiscal years 2026 and 2027 are 621511 Medical Laboratories, 541380 Testing Laboratories and Services and 541714 Research and Development in Biotechnology (except Nanobiotechnology).
Where is the work under PSC Q301 performed?
By place of performance, the states with the most contract obligations under PSC Q301 over the last 12 months are Texas ($55,468,854), Maryland ($55,211,995) and Massachusetts ($28,811,423).
What is the latest open contract opportunity under PSC Q301?
The latest open contract opportunity under PSC Q301 is Q301--VISN 22 Semen & Vasectomy Test Kits, solicitation from Veterans Integrated Service Network 22 (VHA), posted November 5, 2026.
On GovTribe
See everything under PSC Q301
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