In manual entry, the codes we are documenting are validated on the entry page (green checks), and when QRDA-1 is uploaded, we get a check on the Validated in QRDA column. However, when we view results, we see this Submission error:

The code 183932001 in codeSystem SNMCT cannot be found in the declared valueset 2.16.840.1.113883.3.526.3.1007