Medical and diagnostic laboratories
NAICS Code: 621500
BLS projects Medical and diagnostic laboratories to grow +6.4% through 2034 - 4.0 points faster than the 2.4% average across 291 U.S. industries, faster-growing than 82% of them. It is one of the faster-growing industries in the dataset.
Where Medical and diagnostic laboratories sits among all industries
Projected 2024-2034 growth across 291 U.S. industries (BLS). This industry is marked in rose.
Where Medical and diagnostic laboratories sits by projected growth
Projected employment change across tracked industries
6.4% Top 18% higher than 82% of 291 industries
Industries, banded by projected growth
Each bar is a band; taller bars hold more industries. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source BLS Employment Projections · 2026-05-15
Expansion read
Signature: 39.2% mean employer AI exposure across 13 tracked public companies .
BLS still projects expansion, but our public-company overlay for this sector is thin - lean on the employment numbers above and open individual employer pages before generalizing AI risk.
NAICS 621500 · 308,000 workers (2024, ×1k) · source BLS Employment Projections 2024-2034. Employer AI grades are occupation-weighted scores from our SEC cohort, not automation predictions for every establishment in Medical and diagnostic laboratories.
Public companies near this industry
SEC industry labels matching tokens from Medical and diagnostic laboratories. 13 companies scored · mean AI exposure 39.2%.
| Company | AI grade |
|---|---|
| BillionToOne, Inc. | B |
| Caris Life Sciences, Inc. | B |
| Celcuity Inc. | B |
| Exact Sciences Corp | B |
| Guardant Health, Inc. | B |
| HCA Healthcare, Inc. | B |
| Labcorp Holdings Inc. | B |
| Natera, Inc. | B |
Grades are occupation-weighted AI exposure from our employer corpus - not a claim that every establishment in Medical and diagnostic laboratories shares the same risk. Source: SEC company metadata + O*NET-weighted scores · as of 2026-05-15.
Peer Industries by Employment
How Medical and diagnostic laboratories (NAICS 621500) compares to industries of similar size, ordered by 2024 BLS employment.
| Industry | 2024 | Growth |
|---|---|---|
| Specialty (except psychiatric and substance abuse) hospitals; private | 315,700 | +9.2% |
| Furniture and related product manufacturing (3371,2) | 315,200 | -5.6% |
| Outpatient mental health and substance abuse centers | 314,800 | +19.9% |
| Medical and diagnostic laboratories | 308,000 | +6.4% |
| General medical and surgical hospitals; state | 305,100 | +3.8% |
| Motor vehicle manufacturing | 302,000 | +5.4% |
Peers are selected by similarity in 2024 employment. Figures in thousands. Source: BLS Employment Projections 2024-2034.
Frequently Asked Questions
How many people work in Medical and diagnostic laboratories?
As of 2024, the Medical and diagnostic laboratories industry employs approximately 308,000 workers in the United States, according to BLS Employment Projections data.
Is Medical and diagnostic laboratories growing or declining?
The Medical and diagnostic laboratories industry is projected to grow by 6.4% from 2024 to 2034, a net change of +19,700 jobs over the decade.
Which public companies sit near Medical and diagnostic laboratories?
13 tracked public companies whose SEC industry label matches Medical and diagnostic laboratories. Sample names include BillionToOne, Inc., Caris Life Sciences, Inc., Celcuity Inc.. Grades are occupation-weighted AI exposure scores, not company-specific automation forecasts.
How will AI affect the Medical and diagnostic laboratories industry?
Among 13 tracked public companies tied to this industry's sector, the mean occupation-weighted AI exposure score is 39.2% (most common grade B). That is a staffing-pattern signal from our employer corpus, not a forecast for every firm in Medical and diagnostic laboratories. Pair it with occupation-level AI exposure scores for role-specific risk.
Where to look next under expansion
What to do with this
Use Medical and diagnostic laboratories' employment and exposure numbers above to look up individual employers and occupations, not just the industry aggregate.
- See how public employers in this and other industries rank nationwide by AI displacement risk. Employer AI risk rankings
- Browse individual occupations to see exposure and wage detail below the industry level. Browse all occupations
- Compare this industry's outlook against a specific occupation or employer using the interactive tool. Workforce comparison tool
Industry-level figures are aggregates; individual employer and occupation outcomes vary.
Source: Bureau of Labor Statistics Employment Projections 2024-2034; SEC employer metadata for AI grades Employment figures in thousands. Employer grades are occupation-weighted exposure scores, not firm automation forecasts