EMDN C03: Cardiac Surgery and Heart Transplant Devices
Complete hierarchy for EMDN group C03 in category C (Cardiocirculatory System Devices): 28 terminal codes, EMDN v2026. Terminal codes are the ones accepted in a EUDAMED device record.
Registered classes, as of 8 Sep 2026. For each code with at least 20 registrations under a legislation, the chip shows how devices registered in EUDAMED under that code are classed, counted once per primary UDI-DI and kept separate for each legislation. It is not a determination. The class of a device comes from the MDR and IVDR classification rules for its intended purpose. MDD and IVDD classes are the directive classification and can differ from the class the same device would have under MDR or IVDR.
C03Cardiac Surgery and Heart Transplant DevicesC0301Extracorporeal Assisted Circulation DevicesC030101Extracorporeal Circulation KitsC03010101Extracorporeal Circulation CircuitsMDR 3 classes · n=151MDD 99.7% Class IIa · n=1,696terminalRegistered in EUDAMED under MDR with this code, the 151 devices are split across classes (as of 8 Sep 2026).
- 104 Class IIa (68.8%)
- 36 Class IIb (23.8%)
- 11 Class III (7.2%)
Registered in EUDAMED under MDD with this code: 1,691 of 1,696 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 1,691 Class IIa (99.7%)
- 5 Class IIb (0.2%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
Registered in EUDAMED under MDR with this code: 158 of 159 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 158 Class IIa (99.3%)
- 1 Class IIb (0.6%)
Registered in EUDAMED under MDD with this code: 49 of 49 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 49 Class IIa (100.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
Registered in EUDAMED under MDR with this code, the 99 devices are split across classes (as of 8 Sep 2026).
- 89 Class IIb (89.8%)
- 9 Class IIa (9.0%)
- 1 Class I (1.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination.
C03010199Extracorporeal Circulation Kits - OtherMDR 2 classes · n=99MDD 100.0% Class IIa · n=39terminalRegistered in EUDAMED under MDR with this code, the 99 devices are split across classes (as of 8 Sep 2026).
- 92 Class IIa (92.9%)
- 7 Class I (7.0%)
Registered in EUDAMED under MDD with this code: 39 of 39 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 39 Class IIa (100.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
Registered in EUDAMED under MDD with this code: 61 of 61 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 61 Class IIa (100.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C030103Circulatory Support KitsRegistered in EUDAMED under MDR with this code: 182 of 188 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 182 Class IIa (96.8%)
- 4 Class III (2.1%)
- 2 Class I (1.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination.
C03010399Circulatory Support Kits - Otherterminal
C030104Extracorporeal Circulation CannulasC03010401Extracorporeal Circulation Arterial CannulasC0301040101Extracorporeal Circulation Arterial Cannulas, W/O FilterMDD 98.0% Class III · n=50terminalRegistered in EUDAMED under MDD with this code: 49 of 50 devices carry Class III on their registration (as of 8 Sep 2026).
- 49 Class III (98.0%)
- 1 Class IIa (2.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C0301040102Extracorporeal Circulation Arterial Cannulas, with Filterterminal
C03010402Extracorporeal Circulation Venous CannulasRegistered in EUDAMED under MDD with this code: 80 of 80 devices carry Class III on their registration (as of 8 Sep 2026).
- 80 Class III (100.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C0301040202Bicaval Cannulasterminal
Registered in EUDAMED under MDD with this code, the 20 devices are split across classes (as of 8 Sep 2026).
- 13 Class III (65.0%)
- 7 Class IIa (35.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C03010404Cardioplegia CannulasC0301040401Extracorporeal Circulation Non-Selective Perfusion Cannulas (with Aortic Venting Lumen)terminalC0301040402Selective Coronary Arteries Perfusion CannulasterminalC0301040499Cardioplegia Cannulas - Otherterminal
C03010405Selective Carotid Artery and Coronary Sinus Perfusion CannulasterminalC03010406Percutaneous Arteriovenous Cannulas (with Endoclamp and Cardioplegia Venting Lumen)terminalC03010499Extracorporeal Circulation Cannulas - OtherMDR 2 classes · n=42MDD 3 classes · n=75terminalRegistered in EUDAMED under MDR with this code, the 42 devices are split across classes (as of 8 Sep 2026).
- 32 Class III (76.1%)
- 10 Class IIa (23.8%)
Registered in EUDAMED under MDD with this code, the 75 devices are split across classes (as of 8 Sep 2026).
- 49 Class III (65.3%)
- 19 Class IIa (25.3%)
- 7 Class IIb (9.3%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C030180Extracorporeal and Assisted Circulation Devices - AccessoriesMDR 3 classes · n=316MDD 2 classes · n=20terminalRegistered in EUDAMED under MDR with this code, the 316 devices are split across classes (as of 8 Sep 2026).
- 257 Class IIa (81.3%)
- 57 Class I (18.0%)
- 2 Class IIb (0.6%)
Registered in EUDAMED under MDD with this code, the 20 devices are split across classes (as of 8 Sep 2026).
- 17 Class I (85.0%)
- 3 Class IIa (15.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C030199Extracorporeal and Assisted Circulation Devices - OtherMDR 3 classes · n=52MDD 3 classes · n=33terminalRegistered in EUDAMED under MDR with this code, the 52 devices are split across classes (as of 8 Sep 2026).
- 21 Class IIa (40.3%)
- 18 Class IIb (34.6%)
- 13 Class I (25.0%)
Registered in EUDAMED under MDD with this code, the 33 devices are split across classes (as of 8 Sep 2026).
- 30 Class IIb (90.9%)
- 2 Class IIa (6.0%)
- 1 Class III (3.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C0380Heart Surgery and Organ Transplantation Devices - Accessories not Included in Other ClassesterminalC0390Cardiac Surgery and Heart Transplant Devices - VariousC039001Minimally Invasive Access Cardiac Surgery SystemsC03900101Direct Vision Minimally Invasive Cardiac Access KitsterminalC03900102Mini-Invasive Video-Assisted Cardio-Surgical Access Kits (with External Monitor)terminal
C039002Beating Heart Cardiosurgery DevicesC03900201Epi-Myocardial Stabilisation KitsterminalC03900202Intracoronary ShuntsterminalC03900203Gas-Jet Cardiac Surgery Field Cleansing Kits (Blower)terminalRegistered in EUDAMED under MDD with this code: 33 of 33 devices carry Class IIa on their registration (as of 8 Sep 2026).
- 33 Class IIa (100.0%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
C0399Cardiosurgery and Organ Transplantation Devices - OtherMDR 3 classes · n=27MDD 2 classes · n=23terminalRegistered in EUDAMED under MDR with this code, the 27 devices are split across classes (as of 8 Sep 2026).
- 20 Class IIa (74.0%)
- 4 Class IIb (14.8%)
- 3 Class III (11.1%)
Registered in EUDAMED under MDD with this code, the 23 devices are split across classes (as of 8 Sep 2026).
- 16 Class III (69.5%)
- 7 Class IIa (30.4%)
Counted once per primary UDI-DI, using the class on the registration. The class of a device comes from the MDR and IVDR classification rules for its intended purpose, so a code is evidence of how others registered, not a determination. MDD and IVDD classes are the directive classification and can differ under MDR or IVDR.
How C03 is structured
The Cardiac Surgery and Heart Transplant Devices branch runs 4 levels deep. 10 entries below are branch headings that group other codes rather than naming a device, so a classification has to resolve all the way down to one of the 28 codes marked terminal.
7 terminal codes are “- Other” entries and 2 are “- Accessories” entries, 32% of the branch. An “- Other” code is the residual slot for devices its siblings do not name, so it is worth ruling out every specific sibling before settling on one.
The largest sub-branch is C0301 (Extracorporeal Assisted Circulation Devices), holding 20 of the 28 terminal codes.
Frequently asked questions
- Which C03 codes can be used in a EUDAMED device record?
- 28 of the 38 codes listed under C03 (Cardiac Surgery and Heart Transplant Devices) are terminal and can be selected. The other 10 are branch headings that cannot.
- How deep is the C03 hierarchy?
- The C03 branch runs 4 levels below the group code. Its largest sub-branch is C0301 (Extracorporeal Assisted Circulation Devices), which holds 20 of the 28 terminal codes.
- How many C03 codes are catch-all entries?
- 7 terminal codes under C03 are "- Other" entries and 2 are "- Accessories" entries, 32% of the branch. The remaining 19 name a specific device type.
Not sure which level to stop at, or which of two plausible codes to submit? The guide to choosing an EMDN code walks the decision level by level, with a worked example and the mistakes that get a EUDAMED registration rejected.
Classifying more than a handful of devices?
EUDAMate maps your device list against all 6,773 terminal EMDN codes with confidence-scored suggestions you review and confirm. Start with a free Readiness Check on your own data.
Run a free Readiness CheckOther groups in category C
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.