NAICS Code 621498 — All Other Outpatient Care Centers

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 4 national industries under 62149 (Other Outpatient Care Centers).

Code	621498
Title	All Other Outpatient Care Centers
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	$25.5 million in average annual receipts

Official definition (2022 NAICS)

This U.S. industry comprises establishments with medical staff primarily engaged in providing general or specialized outpatient care (except family planning centers, outpatient mental health and substance abuse centers, HMO medical centers, kidney dialysis centers, and freestanding ambulatory surgical and emergency centers). Centers or clinics of health practitioners with different degrees from more than one industry practicing within the same establishment (e.g., Doctor of Medicine and Doctor of Dental Medicine) are included in this industry.

Illustrative Examples:

Outpatient biofeedback centers and clinics

Outpatient pain therapy centers and clinics

Outpatient community health centers and clinics

Outpatient sleep disorder centers and clinics

Cross-References.

Is a business under 621498 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 621498 qualifies as a small business if it does not exceed $25.5 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.

Where 621498 sits in the hierarchy

Level	Code	Title
Sector	62	Health Care and Social Assistance
Subsector	621	Ambulatory Health Care Services
Industry Group	6214	Outpatient Care Centers
NAICS Industry	62149	Other Outpatient Care Centers
National Industry	621498	All Other Outpatient Care Centers

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
8093	Specialty Outpatient Facilities, Not Elsewhere Classified

Related National Industry codes

• 621491 — HMO Medical Centers
• 621492 — Kidney Dialysis Centers
• 621493 — Freestanding Ambulatory Surgical and Emergency Centers

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.