NAICS 62154-digit industry group · NAICS 2022

NAICS Code 6215: Medical and Diagnostic Laboratories

The NAICS code for Medical and Diagnostic Laboratories is 6215.

Medical and Diagnostic Laboratories perform clinical tests on blood, tissue, urine, and other specimens to support physician diagnosis and treatment decision-making. Large national laboratory networks provide economies of scale, while hospital-based labs serve inpatient and emergency testing needs with rapid turnaround.

Medical and Diagnostic Laboratories falls under the NAICS code for NAICS 621 — Ambulatory Health Care Services, a subsector of Health Care and Social Assistance.

18,043

Total US Entities

NAICS Industries

6215

NAICS Code

Classification

NAICS Industries (5-digit)

NAICS Code	Industry Title	US Entities
62151	NAICS 62151 — Medical Laboratories	12,000
62152	NAICS 62152 — Diagnostic Imaging Centers	6,043

NAICS 2022

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Other Industry Groups in Ambulatory Health Care Services

NAICS 6211 — Offices of Physicians417,369 entities

NAICS 6212 — Offices of Dentists213,216 entities

NAICS 6213 — Offices of Other Health Practitioners294,965 entities

NAICS 6214 — Outpatient Care Centers78,173 entities

NAICS 6216 — Home Health Care Services59,567 entities

NAICS 6219 — Other Ambulatory Health Care Services152,651 entities

Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.