In-vitro biocompatibility testing from a lab that gets back to you.

ACTA runs USP <87> Biological Reactivity Tests, In Vitro and ISO 10993-5 in-vitro cytotoxicity under cGMP, on medical device materials and their extracts. Send us a specific material and a scientist scopes the work.

USP <87> · ISO 10993-5cGMP
01234noneslightmildmoderateseverePASS: NOT GREATER THAN GRADE 2
TEST USP <87> / ISO 10993-5MATRICES Device materials / extractsOUTPUT Reactivity grade
FDA Registered
DEA Licensed I to V
cGMP Compliant
Analyzing Since 1990
IN-VITRO BIOCOMPATIBILITY

What ACTA runs for in-vitro biocompatibility

ACTA performs USP <87> Biological Reactivity Tests, In Vitro and ISO 10993-5 in-vitro cytotoxicity under cGMP. These tests screen medical device materials and their extracts for a cytotoxic response, run in our microbiology laboratory in-house. Each result comes back as a concise cGMP Certificate of Analysis (COA).

Scope of this serviceACTA is not a full ISO 10993 house, and we do not run device sterility. This service covers in-vitro cytotoxicity only, USP <87> and ISO 10993-5. Extractables and leachables and ISO 10993-18 chemical characterization are not part of this service. Contact us to confirm whether your specific device study falls within ACTA's current scope.
USP <87> In Vitro
Agar Diffusion TestElution Test
ISO 10993-5 Cytotoxicity
Agar DiffusionMTT Cytotoxicity Test
THE METHOD

How in-vitro cytotoxicity testing works

In-vitro cytotoxicity testing exposes cultured mammalian cells to the device material or an extract of it, then looks for a toxic response. The ISO 10993-5 standard uses the L929 mouse fibroblast cell line. USP <87> grades the biological reactivity of the cells on a scale from Grade 0, no reactivity, to Grade 4, severe reactivity.

Each method runs against positive and negative controls. A material passes when its reactivity is not greater than Grade 2 by USP <87> or ISO 10993-5. The USP and ISO criteria are harmonized. The result is reported on a cGMP Certificate of Analysis.

HOW IN-VITRO CYTOTOXICITY TESTING WORKSflow
DEVICE MATERIALThe device material, or an extract of it, is prepared for testing.EXTRACT PREPmaterial or extractA monolayer of L929 mouse fibroblast cells is cultured, the ISO 10993-5 standard cell line.SEED CELLSL929 monolayerCells are exposed by agar diffusion or elution of the extract.EXPOSEagar, elutionThe cell response is graded for biological reactivity, from Grade 0 to Grade 4.GRADEreactivity 0 to 4The result is reported on a concise cGMP Certificate of Analysis.REPORTcGMP COA

The material or its extract is prepared, L929 cells are seeded, the cells are exposed by agar diffusion or elution, the response is graded from Grade 0 to Grade 4, and the result is reported on a cGMP COA. Hover any stage to see what it does.

WHY A SMALLER LAB

Big labs bid the whole ISO 10993 program. We run the one test you need.

The large device houses bid on full ISO 10993 programs and can take weeks just to open a small account. If you need in-vitro cytotoxicity on one material or extract, ACTA scopes that specific test, quotes it, and a scientist follows up. Many of our accounts started as a single test and grew from there.

1990Analyzing since
In-houseMicro and in-vitro run on site
DEA Schedules I to VFDA-registered, DEA-licensed, cGMP
Pharma + deviceFDA-regulated clients only
REGISTRATIONS & COMPLIANCE

Registrations, scope, and quality systems

FDA Establishment RegistrationRegistered · FEI No. 1000125694
DEA LicenseSchedules I to V · License No. RA0256239
Quality SystemcGMP, 21 CFR Parts 210, 211, and 820
Device StandardsUSP <87> and ISO 10993-5, in-vitro cytotoxicity
Data Integrity21 CFR Part 11 Computer Systems coupled with Good Documentation Practices
CompendiaUSP, BP, JP, and EP methods
FDA Inspection History14 inspections (NDA, ANDA, and general cGMP) · Most recent Sept. 2026, 2 minor observations
Certificate of AnalysisConcise 1 to 2 page cGMP Certificate of Analysis (COA)
Established1990 · 13,000 sq ft, two buildings · Foothill Ranch, CA
ScopePharmaceutical and medical device, FDA-regulated only
Typical Quote Turnaround1 working day

Send us your device material.

A specific in-vitro cytotoxicity test on a specific device material or extract. We will scope it, get you a quote, and a scientist will follow up. FDA-registered, DEA-licensed, cGMP since 1990.
Request a Quote
949-595-0641
info@actalabs.com