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Third-party sterility testing: questions clinics should ask

How to read supplier statements about third-party sterility testing without treating a pass as clinical proof.

Reviewed 2026-10-27

Processing, release, and testing

Ask for the sterility testing approach, quarantine-until-release practice, unique lot identifiers, and what appears on the certificate of analysis.

Confirm expiration dating and whether lyophilized and cryopreserved SKUs need different receiving SOPs.

Limits of a single test result

A sterility test result does not establish potency, homologous use, or appropriate application.

Keep analytical passes separate from intended-use review.

Filing and retention

Store evidence with the lot file and note the lab name and test date when provided.

Save guidance document version dates in your regulatory library.

Operational checklist for third party sterility testing biologics

Before ordering under the topic third party sterility testing biologics, confirm storage class, receiving owner, and which documents will be required at release.

Close open items in writing. Do not infer missing COA fields from a different lot or SKU.

FAQ

Frequently asked questions

Does an analytical figure prove clinical performance?+

No. Analytical figures characterize a lot; they are not clinical endpoints.

Should we call these stem cell products?+

No. Precision Biologics does not market these items as stem cell therapies.

Can literature replace a COA?+

No. File literature separately from lot evidence.

Does this page determine how we may use products discussed under third party sterility testing biologics?+

No. Intended use remains with the ordering physician and clinic counsel.

Sources

  1. ISCT MSC minimal criteria (2006) ↗PubMed
  2. FDA: Minimal Manipulation and Homologous Use guidance ↗FDA