Diagnostic Imaging Centers

Health Care and Social Assistance › Ambulatory Health Care Services › Medical and Diagnostic Laboratories

SBA Size Standard

$19M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

Sector

Health Care and Social Assistance

621

Subsector

Ambulatory Health Care Services

6215

Industry Group

Medical and Diagnostic Laboratories

621512

National Industry (This Code)

Diagnostic Imaging Centers

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual

This U.S. industry comprises establishments known as diagnostic imaging centers primarily engaged in producing images of the patient generally on referral from a health practitioner. Illustrative Examples: Computer tomography (CT-scan) centers Medical radiological laboratories Dental or medical X-ray laboratories Ultrasound imaging centers Magnetic resonance imaging (MRI) centers

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$19M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 621512

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

How to Use NAICS 621512 in SAM.gov

NAICS code 621512 — Diagnostic Imaging Centers — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Medical and Diagnostic Laboratories space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $19M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 621512.

Frequently Asked Questions

What is NAICS code 621512?

NAICS code 621512 is 'Diagnostic Imaging Centers', classified under the Health Care and Social Assistance sector (NAICS 62). This U.S. industry comprises establishments known as diagnostic imaging centers primarily engaged in producing images of the patient generally on referral from a health practitioner. Illustrative Exa

What is the SBA small business size standard for NAICS code 621512?

The SBA defines a small business under NAICS code 621512 (Diagnostic Imaging Centers) as one with $19M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 621512 in SAM.gov?

To register NAICS code 621512 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 621512 (Diagnostic Imaging Centers) to your NAICS code list. You may designate one code as your Primary NAICS code.