621991 — Blood and Organ Banks
Description
This U.S. industry comprises establishments primarily engaged in collecting, storing, and distributing blood and blood products and storing and distributing body organs (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Establishments primarily engaged in providing courier and express delivery services for blood, blood products,
- and body organs without storage are classified in Industry 492110, Couriers and Express Delivery Services.
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 8099 - Health and Allied Services, NEC (via SIC1987:8099→NAICS1997:621991→2002:621991→2007:621991→2012:621991→2017:621991→2022:621991)
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 6506 — BLOOD AND BLOOD PRODUCTS
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 621991 valid in 2022? ▾
Yes, 621991 is a valid 6-digit 2022 NAICS national industry code representing 'Blood and Organ Banks' under Sector 62 in the official classification index.
What is the SBA size standard for NAICS code 621991? ▾
The Small Business Administration (SBA) has established a small business size standard of $40,000,000 for NAICS code 621991 (Blood and Organ Banks), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 621991? ▾
According to official Census Bureau concordance tables, NAICS code 621991 (Blood and Organ Banks) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 8099 - Health and Allied Services, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 621991:
- 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 621991 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Blood and Organ Banks).
- 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.