Ultrasound protocol codes
1. Very few of the SNOMED codes in CID 12001 Ultrasound Protocol Types, and none of the codes in 12002 Ultrasound Protocol Stage Types, actually exist in SNOMED. While these non-existent codes do no harm (yet), it is inappropriate for DICOM to assert them as SNOMED codes, and in fact SNOMED could use them for other concepts. [For the record, these terms were added in CP230.] 2. The codes as list