NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 325413 — In-Vitro Diagnostic Substance Manufacturing

In-Vitro Diagnostic Substance Manufacturing

NAICS 325413 is the national industry code for in-vitro diagnostic substance manufacturing establishments in the United States. The Small Business Administration sets a size standard of 1,250 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 1,250 View full SBA standard

Related industries in 32541 (Pharmaceutical and Medicine Manufacturing)

View parent 32541

325411

Medicinal and Botanical Manufacturing

325412

Pharmaceutical Preparation Manufacturing

325414

Biological Product (except Diagnostic) Manufacturing

Official 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/