JActive-Implantable Devices

EMDN category J contains 8 groups and 116 terminal codes (EMDN v2026). Select a group for its complete code hierarchy.

How category J is distributed

The 8 groups in this category are not evenly sized. J01 (Cardiac Functionality Implantable Devices) alone holds 55 terminal codes, 47% of the category, while 1 group is a single terminal code with no hierarchy at all. Hierarchies here run up to 5 levels below a group code, and 32% of the category’s terminal codes are “- Other” or “- Accessories” fallbacks rather than named device types.

Frequently asked questions

How many codes are in EMDN category J?
Category J (Active-Implantable Devices) holds 116 terminal codes spread across 8 groups. Terminal codes are the ones a EUDAMED device record accepts. EMDN v2026.
Which J group has the most codes?
J01 (Cardiac Functionality Implantable Devices), with 55 terminal codes, or 47% of everything in category J. At the other end, 1 group is a single terminal code with no hierarchy below it.
How much of category J is catch-all codes?
37 of the 116 terminal codes in category J are "- Other" or "- Accessories" entries, 32% of the category. Those are residual slots for devices the named codes do not cover, so it is worth ruling out the specific codes in a group before settling on one.

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Source: European Commission, EMDN v2026 official release. Terminal codes are the only codes accepted in a EUDAMED device record. EMDN is a nomenclature, not a risk classification. MDR/IVDR class is determined separately.