# FDA Warning Letter: Microbiological Testing & Consulting, LLC
> 2026-03-31 · Center for Drug Evaluation and Research (CDER) · `dc6c82c515158f75`
## Letter
- **Company:** Microbiological Testing & Consulting, LLC
- **Posted Date:** 2026-03-31
- **Letter Issue Date:** 2026-03-16
- **Issuing Office:** Center for Drug Evaluation and Research (CDER)
## Subject
CGMP/Finished Pharmaceuticals/Adulterated
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*