NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01
621493
NAICS 621493 — Freestanding Ambulatory Surgical and Emergency Centers
Freestanding Ambulatory Surgical and Emergency Centers
NAICS 621493 is the national industry code for freestanding ambulatory surgical and emergency centers establishments in the United States. The Small Business Administration sets a size standard of $19.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
SBA: $19.0
View full SBA standard
Related industries in 62149 (Other Outpatient Care Centers)
View parent 62149Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.
Cross-references & crosswalks
NAICS 2017 equivalent 621493
Freestanding Ambulatory Surgical and Emergency Centers
View full 2022 → 2017 crosswalkSBA size standard description
Freestanding Ambulatory Surgical and Emergency Centers
Changes to receipts-based standard: [object Object]