| Naics index | Naics index description |
|---|---|
| 621498 | Infusion therapy centers and clinics, outpatient |
| 621498 | Pain therapy centers and clinics, outpatient |
| 621498 | Sleep disorder centers and clinics, outpatient |
| 621511 | Bacteriological laboratories, diagnostic |
| 621511 | Bacteriological laboratories, medical |
| 621511 | Biological laboratories, diagnostic |
| 621511 | Blood analysis laboratories |
| 621511 | Cytology health laboratories |
| 621511 | DNA testing laboratories |
| 621511 | Forensic laboratories, medical |