# Medical Devices; Immunology and Microbiology Devices; Classification of the Device to Preserve and Stabilize Relative Abundances of Microbial Nucleic Acids in Clinical Samples

> **FDA** · Rulemaking · Modified 2026-05-06T13:36:42Z

## Docket
- **Docket ID:** FDA-2026-N-4644
- **Agency:** FDA
- **Type:** Rulemaking
- **Last modified:** 2026-05-06T13:36:42Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/FDA-2026-N-4644)
- [Public comments](https://www.regulations.gov/docket/FDA-2026-N-4644/comments)

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