PSC Q524: Cardiothoracic Surgery
Q524 is the product and service code (PSC) federal agencies use for “Cardiothoracic Surgery”, in the “Medical, Dental, and Surgical SVCS” 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
- 1
- Federal contract spending, FY2025
- $4.4 million
- Share of contract dollars to small businesses, since FY2024
- 9%
Open count as of Oct 28, 2026, 5:43 PM ET. The search counts live, so its total can differ by a notice or two.
Open PSC Q524 contracts with 2+ days to respond
- FY27: Perfusionist Services| NFSG
✦ Only certified service-disabled veteran-owned small businesses (SDVOSBs) can quote.
Due in 9 daysNov 6, 2026, 12:00 PM EST
Where Q524 sits in the PSC Manual
- Category: Service
- Group Q: Medical Services
- Group Q5: Medical, Dental, and Surgical SVCS
- Code Q524: Cardiothoracic Surgery
NAICS codes used with PSC Q524
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Q524 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC Q524 |
|---|---|---|---|
| 611310 | Colleges, Universities, and Professional Schools | $17.9 million | — |
| 621399 | Offices of All Other Miscellaneous Health Practitioners | $867,200 | 1 |
| 621111 | Offices of Physicians (except Mental Health Specialists) | $327,975 | — |
Open contracts under each code, with any PSC: NAICS 611310 · NAICS 621399 · NAICS 621111
Who buys under PSC Q524
Agencies with the most contract dollars under Q524 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Department of Veterans Affairs | $19 million |
Federal spending under PSC Q524 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $7.6 million |
| FY2025 | $4.4 million |
| FY2026 (incomplete) | $7 million |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
Who wins PSC Q524 contracts
| Company | Obligated, last 3 years |
|---|---|
| University of Minnesota Physicians | $9.6 million |
| University of Pittsburgh Physicians | $2.9 million |
| The Leland Stanford Junior University | $1.6 million |
| University of Louisville | $1.5 million |
| Regents of the University of Michigan | $981,351 |
| Thoracic Surgery Associates PLLC | $900,725 |
| Circulatory Services Inc | $867,200 |
| University Physicians, Incorporated | $635,646 |
| University of Washington | $584,668 |
| Oregon Health & Science University | $295,545 |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.
Research PSC Q524 work
By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:
- 611310 Colleges, Universities, and Professional Schools: large primes that subcontract. Not available for 611310 yet: who won recently, contracts ending in the next 12 months or planned buys. Its NAICS page shows who buys it.
- 621399 Offices of All Other Miscellaneous Health Practitioners: who won recently
- 621111 Offices of Physicians (except Mental Health Specialists): who won recently · planned buys · large primes that subcontract
Related PSC codes
- Q501 Medical – Anesthesiology
- Q502 Cardiology
- Q503 Medical – Dentistry
- Q504 Medical – Dermatology
- Q505 Medical – Gastroenterology
- Q506 Medical – Geriatric
- Q507 Obstetrics & Gynecology
- Q508 Hematology & Oncology
- Q509 Family & Internal Medicine Services
- Q510 Medical – Neurology
Frequently asked questions
What is PSC Q524?
Q524 is the service code in the federal Product and Service Code (PSC) Manual named “Cardiothoracic Surgery”, under Q (Medical Services) and Q5 (Medical, Dental, and Surgical SVCS). 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 Q524?
Most federal contract dollars under PSC Q524 go with NAICS 611310 (Colleges, Universities, and Professional Schools), 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 Q524?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC Q524 right now. FedReady can match new ones to your business and email you, free.
Keep going
Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.