NAICS 325413

In-vitro Diagnostic Substance Manufacturing

Key Figures

Establishments
267
Census CBP · 2023
Employment
45,459
Census CBP · 2023
Market size
$23.1B
Census Economic Census · 2022

Figures are published for NAICS 325413 directly.

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Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing in-vitro (i.e., not taken internally) diagnostic substances, such as chemical, biological, or radioactive substances. The substances are used for diagnostic tests that are performed in test tubes, petri dishes, machines, and other diagnostic test-type devices.

Source: US Census Bureau, 2017 NAICS Definitions. Public domain.

Which code does this activity belong in?

In-Vitro Diagnostic Substance Manufacturing (325413) covers establishments that produce chemical, biological, or radioactive substances used in diagnostic testing performed outside the body, such as tests conducted in laboratory equipment and devices. This code is distinguished from Pharmaceutical Preparation Manufacturing (325412), which produces in-vivo diagnostic substances and drugs intended for internal consumption in dose forms like tablets and capsules. Establishments that manufacture the raw medicinal chemicals and uncompounded botanicals that serve as inputs to pharmaceutical producers are classified in Medicinal and Botanical Manufacturing (325411), while those producing vaccines and blood fractions for non-diagnostic purposes belong in Biological Product Manufacturing (325414).

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