621492 — Kidney Dialysis Centers
Description
This U.S. industry comprises establishments with medical staff primarily engaged in providing outpatient kidney or renal dialysis services (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 8092 - Kidney Dialysis Centers (via SIC1987:8092→NAICS1997:621492→2002:621492→2007:621492→2012:621492→2017:621492→2022:621492)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC Q701 — Specialized Medical Support
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 621492 valid in 2022? ▾
Yes, 621492 is a valid 6-digit 2022 NAICS national industry code representing 'Kidney Dialysis Centers' under Sector 62 in the official classification index.
What is the SBA size standard for NAICS code 621492? ▾
The Small Business Administration (SBA) has established a small business size standard of $47,000,000 for NAICS code 621492 (Kidney Dialysis Centers), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 621492? ▾
According to official Census Bureau concordance tables, NAICS code 621492 (Kidney Dialysis Centers) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8092 - Kidney Dialysis Centers.
Related Pages & Tools
Further regulatory reference links for NAICS code 621492:
- 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.
- NAICS 621492 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Kidney Dialysis Centers).
- 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.