293D00000X — Physiological Laboratory
293D00000X is the NUCC provider taxonomy code for Physiological Laboratory (organizations). 1,880 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 293D00000X |
|---|---|
| Display name | Physiological Laboratory |
| Grouping | Laboratories |
| Classification | Physiological Laboratory |
| Section | Non-Individual |
| Directory | Physiological Laboratory provider directory |
Definition
A laboratory that operates independently of a hospital and physician's office to furnish physiological diagnostic services (e.g. EEG's , EKG's, scans, etc.). Facilities offering ONLY physiological services are not certified as independent laboratories. If an independent laboratory offers physiological services IN ADDITION to clinical laboratory services, they are surveyed only for compliance with the clinical laboratory regulations because there are no health and safety regulations for physiological services.
Definition from the NUCC Health Care Provider Taxonomy code set.
Related taxonomy codes
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-09.