NAICS 621999: All Other Miscellaneous Ambulatory Health Care Services
All Other Miscellaneous Ambulatory Health Care Services is NAICS code 621999. A business is small under it with $20.5 million or less in average annual receipts. 3 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- $20.5 million or less in average annual receipts
- Open contracts now
- 3
- Federal spending, FY2026
- $505.1 million
- Share won by small businesses
- 62%
- Small businesses registered
- 2,666
Open federal contracts for all other miscellaneous ambulatory health care services
- Interfacility Transfer Coordination Services
Due in 3 daysOct 8, 2026
- Cardiac Event Monitoring Services 596 Long Term
Due in 4 daysOct 9, 2026
- DOT Drivers Physicals and Controlled Substance Testing Program Management B plus 4 Puget Sound VAHCS
Due in 4 daysOct 9, 2026
What NAICS 621999 covers
The Census Bureau's NAICS index lists these kinds of work under 621999:
- Blood pressure screening facilities
- Blood pressure screening services
- Employee drug testing services
- Head lice removal services (except by offices of health practitioners)
- Health screening services (except by offices of health practitioners)
- Hearing testing services (except by offices of audiologists)
- Medical care management services
- Medical case management services
- Pacemaker monitoring services
- Physical fitness evaluation services (except by offices of health practitioners)
- Smoking cessation programs
- Stop smoking clinics
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 621999
To count as a small business for a contract assigned NAICS 621999, your business must have $20.5 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys all other miscellaneous ambulatory health care services
Agencies that awarded the most under NAICS 621999 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| U.S. Immigration and Customs Enforcement | $385.6 million |
| Defense Health Agency | $221.4 million |
| Department of the Army | $131.1 million |
| Office of the Assistant Secretary for Administration | $126.7 million |
| Indian Health Service | $106.3 million |
| U.S. Customs and Border Protection | $93 million |
| Department of the Air Force | $88.6 million |
| Department of Veterans Affairs | $62.9 million |
Open notices right now come from Department of Veterans Affairs (2) and Department of Health and Human Services (1).
Set-asides on open 621999 contracts
- No set-aside (full and open): 2
- Total small business set-aside: 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
2,666 businesses with active SAM.gov registrations are rated small under NAICS 621999, most of them in Texas (342), Florida (246), Georgia (236), California (214) and Virginia (158). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 621999 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $297 million |
| FY2025 | $336.5 million |
| FY2026 | $505.1 million |
| FY2027 (so far) | $1.7 million |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
Frequently asked questions
What is NAICS code 621999?
621999 is the 2022 NAICS code for All Other Miscellaneous Ambulatory Health Care Services. The Census Bureau's index lists work such as blood pressure screening facilities, blood pressure screening services, employee drug testing services under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 621999?
$20.5 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for all other miscellaneous ambulatory health care services?
Yes. 3 federal contract opportunities under NAICS 621999 are open on SAM.gov right now. Agencies obligated about $505.1 million under this code in fiscal year 2026, according to USAspending.gov.
How do I add NAICS code 621999 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.