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Connecting a Werfen ACL TOP 550 CTS to your LIS or EHR
Quick answer
Yes. The ACL TOP 550 CTS has a bidirectional host interface with host query, so Catenix can answer with the coagulation tests ordered in your EHR and send matched results back. The protocol and physical link are confirmed from the analyser's host settings during setup.
The ACL TOP 550 CTS is a fully automated coagulation analyser from the ACL TOP 50 Series, with closed-tube sampling by cap piercing. It runs clotting, chromogenic and immunological assays, with up to 240 PT tests an hour, up to 180 APTT tests an hour, or 90 samples an hour for PT plus APTT, and holds 80 samples on board.
It runs from an external dedicated Windows 7 PC.
| What | How Catenix handles it |
|---|---|
| Analyser type | Automated coagulation, closed-tube sampling |
| Assays | Clotting, chromogenic, immunological |
| Throughput | PT up to 240/hour; APTT up to 180/hour; PT/APTT 90 samples/hour |
| Orders | Bidirectional with host query |
| Capacity | 80 samples on board |
Coagulation orders from the EHR
With host query, the ACL TOP 550 CTS asks for each sample's tests and Catenix replies with what the EHR ordered, so PT, APTT and other assays are run without re-keying. Results return matched by sample ID; unmatched ones wait for review. We confirm the host link from the analyser's settings and map each assay to the EHR's code during setup.
What stays on the analyser
The ACL TOP 550 CTS keeps its own assay-specific HIL checks, configurable QC multi-rules, result autovalidation, reaction-curve display, audit trail, electronic signature and automatic log-off. Catenix adds a second record: every message the analyser sends is kept with its result. Where control results reach the host, Catenix files them as QC, grades them with Westgard rules against your targets and holds patient results for a test whose QC fails. The gateway reconnects after network drops and stores results on site during internet outages.
Werfen, Instrumentation Laboratory and ACL TOP are trademarks of their owners. Catenix is an independent connectivity provider, not affiliated with or endorsed by Werfen.
Questions people ask
Does the ACL TOP 550 CTS support host query?
Yes. Its bidirectional interface supports host query, and Catenix answers with the EHR's orders.
Which protocol does the ACL TOP 550 CTS use with Catenix?
We confirm the interface details from the analyser's host settings during setup.
Does Catenix replace the analyser's autovalidation?
No. Autovalidation stays on the analyser. Catenix receives the results, matches them to orders and keeps every message for the audit trail.
Related: Lab analyzer to EHR for small labs · Werfen ACL Elite Pro connection · Werfen GEM Premier connection · Device library
Product and company names are trademarks of their owners and are used for identification only. Catenix moves, stores and displays results with traceability; it does not interpret results or give clinical advice. Reviewed October 2026.
Tell us your setup
Send us your analyser and the system you want results in, and we will confirm how it connects, usually within one working day. Ask about your setup.