Home Resources Request Gap Analysis

Resources & Research

Practical guidance on the ISO 10993-1:2025 transition, biological evaluation best practices, and what notified bodies are looking for.

Device Contact Categories and Exposure Duration Under ISO 10993-1:2025: When to Go Beyond the Tables

Tables 1 through 4 replaced Table A.1. Contact days replaced hours. Intermittent contact, bioaccumulation, and foreseeable misuse all change how you categorize your device. When the tables are not enough and what your documentation needs to show.

Read article

Immunotoxicity, Neurotoxicity, Reproductive Toxicity, and Pyrogenicity: When ISO 10993-1 Requires Evaluation Beyond the Standard Endpoints

These biological effects are not universally required but have specific triggers in the standard. The conditions that require evaluation, what the BER needs to document, and where qualified scientific judgment is essential.

Read article

Biological Hazards, Hazardous Situations, and Harms: What Your BER Needs to Get Right

ISO 10993-1:2025 aligns biological evaluation with ISO 14971 risk management. The hazard-to-harm chain, where BERs commonly fall short, and concrete examples of what does and does not constitute a hazardous situation.

Read article

ISO 10993-18 Chemical Characterization: What Your Extractables and Leachables Documentation Actually Needs to Include

Solvent selection rationale, AET calculation methodology, polarity coverage, identified vs unidentified peaks, and how E&L data must connect to your toxicological risk assessment. Where documentation gaps most commonly appear.

Read article

Why Your Biological Evaluation Package Needs a Pre-Submission Gap Analysis

Most deficiencies are documentation problems, not science problems. A structured pre-submission review catches weak justifications, missing cross-references, and scope gaps before the notified body does.

Read article

FDA vs. EU MDR Expectations for Biological Evaluation: Where They Actually Differ

Both markets require ISO 10993, but the review mechanics are different. Endpoint selection, equivalence frameworks, CMR substances, documentation lifecycle, and where deficiency findings diverge.

Read article

How to Write Biocompatibility Justifications That Survive Regulatory Review

Weak justifications are the most common cause of avoidable deficiency findings. A practical framework for writing rationale that holds up under FDA and notified body scrutiny, with side-by-side weak vs. strong examples.

Read article

How to Justify Your Reprocessing Timepoint Strategy for Reusable Device Biocompatibility

ISO 10993-1:2025 requires evaluation at maximum validated reprocessing cycles. When T0 and T-end are sufficient, when intermediate timepoints are needed, and how to document the justification.

Read article

How to Justify Excluding Biocompatibility Endpoints in Your BEP

ISO 10993-1:2025 requires explicit justification for every excluded biological effect. What reviewers expect, common errors, and how to document exclusions that hold up under scrutiny.

Read article

What Counts as Sufficient Chemical Characterization Data to Skip Animal Testing

Chemical characterization and TRA can replace animal testing for several biocompatibility endpoints. Here is what sufficient data looks like in practice, and where the approach reaches its limits.

Read article

The 5 Most Common Deficiency Findings in ISO 10993 Biological Evaluation Reports

The most frequently cited deficiencies in biological evaluation documentation, based on published FDA guidance and documented notified body expectations. What to check before you submit.

Read article

3 Ways to Review Your ISO 10993 Package Before Submission

External expert, internal team, or structured evaluation tool. Three approaches to pre-submission review, and when each makes sense for your documentation.

Read article

How to Prepare for a Notified Body Audit of Your Biological Evaluation File

What notified body reviewers focus on, what preparation looks like in practice, and how to strengthen your package before submission.

Read article

How BioEvalPro Fits Into Your Regulatory Team's Workflow

BioEvalPro is a documentation quality tool, not a consultancy. Here's how it works alongside your regulatory team, toxicologists, and contracted experts to strengthen your 10993 package before submission.

Read article

Your 2018 Documentation Isn't Ready for the 2025 Standard. Here's How to Find Out Exactly What Needs to Change.

Already have ISO 10993 documentation from the 2018 standard? BioEvalPro identifies exactly what needs updating before your next notified body review. Here's how the transition checker works.

Read article

What Changed in ISO 10993-1:2025: A Practical Summary for Regulatory Teams

The sixth edition of ISO 10993-1 was published in November 2025. Here’s what actually changed, what it means for your biological evaluation documentation, and where to focus your transition efforts.

Read article

ISO 10993-1:2025 vs 2018: Key Differences That Affect Your Biological Evaluation

A side-by-side comparison of the fifth and sixth editions, focusing on the changes that require documentation updates.

Read article

Foreseeable Misuse in ISO 10993-1:2025: What You Need to Document

One of the most significant new requirements in the 2025 standard. What qualifies as foreseeable misuse and how to address it in your BER.

Read article

Don’t wait for the auditor to find the gaps.

BioEvalPro evaluates your ISO 10993 documentation for gaps, weak justifications, and regulatory alignment.

Request Gap Analysis