621498 — All Other Outpatient Care Centers
Description
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
Exclusions & Cross-References
- Centers and clinics of health practitioners from the same industry primarily engaged in the independent
- practice of their profession are classified in Industry 62111, Offices of Physicians; Industry 621210,
- Offices of Dentists; and Industry Group 6213, Offices of Other Health Practitioners;
- Family planning centers are classified in Industry 621410, Family Planning Centers;
- Outpatient mental health and substance abuse centers are classified in Industry 621420, Outpatient Mental
- Health and Substance Abuse Centers;
- HMO medical centers are classified in U.S. Industry 621491, HMO Medical Centers;
- Dialysis centers are classified in U.S. Industry 621492, Kidney Dialysis Centers; and
- Freestanding ambulatory surgical and emergency centers are classified in U.S. Industry 621493,
- Freestanding Ambulatory Surgical and Emergency Centers.
Overview Facts
| NAICS Code | 621498 |
|---|---|
| Industry Title | All Other Outpatient Care Centers |
| SBA Size Standard | $25,500,000 |
| IRS PBA Code | 621498 (exact match) |
| Sectors Hierarchy | Sector 62 → 621 → 6214 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8093 - Specialty Outpatient Facilities, NEC (via SIC1987:8093→NAICS1997:621498→2002:621498→2007:621498→2012:621498→2017:621498→2022:621498)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 621498:
- Sector 62 Directory Hub — List of related industries in the Health Care and Social Assistance sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 6214
Frequently Asked Questions (FAQ)
Is 621498 a valid 2022 NAICS code?
NAICS 621498 is 'All Other Outpatient Care Centers', a 2022 U.S. national industry under Sector 62 (Health Care and Social Assistance); the SBA small-business size standard is $25,500,000.
What is the SBA size standard for NAICS 621498?
The SBA small business size standard for NAICS 621498 is $25,500,000 (based on receipts).
What is the legacy SIC code mapping for 621498?
NAICS code 621498 maps to the legacy 1987 SIC codes: 8093 - Specialty Outpatient Facilities, NEC.