PSC Q301: REFERENCE LABORATORY TESTING — Federal Procurement Code

Q3 - LABORATORY TESTING SERVICES L1: Medical

Description

Reference Laboratory Testing

Includes

All services performed in a reference laboratory. Services can be comprehensive or specific and generally include the following: blood counts, coagulation, clinical biochemistry, histopathology, cytopathology, molecular diagnostics, genetic testing, drug testing, etc.

Excludes

Hematology/Oncology (Q508), Services of a Pathologist, Laboratory Technician or Technologist (Q515), equipment (6632 or 6640), and reagents and test kits (6550).

Suggested adjacent classifications

PSC codes describe what the government buys. These related classifications help connect procurement codes to industries, commodities, and trade workflows.

Related NAICS industries

334515

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals

334516

Analytical Laboratory Instrument Manufacturing

54138

Testing Laboratories and Services

541380

Testing Laboratories and Services

Related UNSPSC categories

French pressure cells

Official data

Feature	Description
Official name	Product Service Codes (PSC)
Maintained by	U.S. federal acquisition community / GSA PSC Manual
Purpose	Classifies what the government buys: products and services
Primary use	Federal procurement reporting, contract categorization, spend analysis
Code type	Mixed/unspecified

When do you need PSC Q301?

1 Use PSC Q301 when identifying the product or service category on a U.S. federal contract.

2 Use it when filtering opportunities or spending data in SAM.gov, FPDS, or USASpending.

3 Use it when comparing a procurement category against related NAICS industries or UNSPSC commodities.

4 Use it when a contracting workflow needs the purchased item classification rather than the supplier industry code.