NAICS Code 621511

NAICS 621511

NAICS Code 621511 – Medical Laboratories

Definition of NAICS Code 621511: This U.S. industry comprises establishments known as medical laboratories primarily engaged in providing analytic or diagnostic services, including body fluid analysis, generally to the medical profession or to the patient on referral from a health practitioner.

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS 621511

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Blood analysis laboratories
  • Medical pathology laboratories
  • Medical bacteriological laboratories
  • Medical testing laboratories
  • Medical forensic laboratories

Cross Reference Guide for Code 621511

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Establishments known as dental laboratories primarily engaged in making dentures, artificial teeth, and orthodontic appliances to prescription are classified in U.S. Industry NAICS 339116, Dental Laboratories;
  • Establishments known as optical laboratories primarily engaged in grinding of lenses to prescription are classified in U.S. Industry NAICS 339115, Ophthalmic Goods Manufacturing; and
  • Establishments known as orthopedic laboratories primarily engaged in making orthopedic or prosthetic appliances to prescription are classified in U.S. Industry NAICS 339113, Surgical Appliance and Supplies Manufacturing.

Other Index Entries for NAICS 621511

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Bacteriological laboratories, diagnostic
  • Bacteriological laboratories, medical
  • Biological laboratories, diagnostic
  • Blood analysis laboratories
  • Cytology health laboratories
  • DNA testing laboratories
  • Forensic laboratories, medical
  • Genetic testing laboratories
  • Laboratories, medical (except radiological, X-ray)
  • Laboratory testing services, medical (except radiological, X-ray)
  • Medical laboratories (except radiological, X-ray)
  • Medical pathology laboratories
  • Mycology health laboratories
  • Parasitology health laboratories
  • Pathological analysis laboratories
  • Pathology laboratories, medical
  • Testing laboratories, medical
  • Toxicology health laboratories
  • Urinalysis laboratories
Suggested Insurance Conversion Table for NAICS Code 621511

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 8832NAICS 621511
  • CA WC: 8834
  • DE WC: 957
  • PA WC:957
  • MI WC: 8832
  • NJ WC: 8832
  • NY WC: 8832
  • WY WC: 621511
  • GL: 66561
  • SIC: 8071

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 621511 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 62: Health Care and Social Assistance
  • Subsector 621: Ambulatory Health Care Services
  • Industry Group 6215: Medical and Diagnostic Laboratories
  • Industry 62151: Medical and Diagnostic Laboratories
  • 6 Digit Code(s) NAICS 621511: Medical Laboratories
  • 6 Digit Code(s) NAICS 621512: Diagnostic Imaging Centers
Other helpful NAICS Downloads

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NAICS Code 621511