The Product and Service Code (PSC) Q301, Reference Laboratory Testing, encompasses a comprehensive range of diagnostic services performed in specialized reference laboratories. This PSC covers both broad and specific testing services such as blood counts, coagulation analysis, clinical biochemistry, histopathology, cytopathology, molecular diagnostics, genetic testing, and drug testing. Government agencies utilize these services to support medical research, public health monitoring, clinical trials, and diagnostic needs that require specialized laboratory expertise beyond routine onsite testing capabilities. Reference laboratories provide high-complexity testing which is critical for accurate diagnosis, treatment planning, and epidemiological surveillance in federal programs.

Includes for PSC Q301

This PSC code covers the following products and services:

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 for PSC Q301

This PSC code does NOT cover the following:

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

Typical Buyers & Agencies for PSC Q301

Federal agencies such as the Department of Health and Human Services (HHS), Centers for Disease Control and Prevention (CDC), Department of Veterans Affairs (VA), and military medical departments commonly procure services under PSC Q301. These agencies require reference laboratory testing for disease surveillance, clinical diagnostics, research support, and public health initiatives. Contracting officers in these organizations seek reliable laboratory partners capable of providing high-quality, accredited testing services that meet federal standards for accuracy and regulatory compliance.

Common Contract Types for PSC Q301

Contracts for PSC Q301 typically include firm-fixed-price, cost-reimbursement, and indefinite delivery/indefinite quantity (IDIQ) vehicles. Government buyers often employ competitive sealed bidding or negotiated procurements depending on the complexity and urgency of testing needs. Use cases involve long-term blanket purchase agreements for routine testing as well as task orders for specialized or emergent diagnostic services. Contract values vary widely based on testing volume and complexity, ranging from small-scale research contracts to multi-million-dollar public health surveillance programs.

Plain-Language Breakdown for PSC Q301

Covers comprehensive and specific diagnostic testing services performed in specialized reference laboratories.
Used extensively by federal health agencies for disease surveillance, clinical diagnostics, and research support.
Excludes hematology/oncology testing, pathologist services, laboratory equipment, and reagents.
Contracts vary from firm-fixed-price to cost-reimbursement and IDIQ task orders based on testing complexity.
Commonly paired with NAICS 621511 and 541380 for medical and scientific laboratory services.
Supports high-complexity testing critical for federal public health and medical programs.

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