Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof 90 22 APPARATUS BASED ON THE USE OF XRAYS OR OF ALPHA, BETA , GAMMA OR OTHER IONISING RADIA 90 22 14 Other, for medical, surgical or veterinary uses 90 22 14 00 Other, for medical, surgical or veterinary uses Commodity Code Description 90 22 14 00 000 Other, for medical, surgical or veterinary uses