This code system http://terminology.hl7.org/CodeSystem/certainty-subcomponent-rating defines the following codes:
\n \n \n \n \n \n Code\n \n | \n \n \n \n Display\n \n | \n \n \n \n Definition\n \n | \n \n
\n \n \n \n no-change\n \n \n \n | \n \n no change to rating | \n \n no change to quality rating. | \n \n
\n \n \n \n downcode1\n \n \n \n | \n \n reduce rating: -1 | \n \n reduce quality rating by 1. | \n \n
\n \n \n \n downcode2\n \n \n \n | \n \n reduce rating: -2 | \n \n reduce quality rating by 2. | \n \n
\n \n \n \n downcode3\n \n \n \n | \n \n reduce rating: -3 | \n \n reduce quality rating by 3. | \n \n
\n \n \n \n upcode1\n \n \n \n | \n \n increase rating: +1 | \n \n increase quality rating by 1. | \n \n
\n \n \n \n upcode2\n \n \n \n | \n \n increase rating: +2 | \n \n increase quality rating by 2. | \n \n
\n \n \n \n no-concern\n \n \n \n | \n \n no serious concern | \n \n no serious concern. | \n \n
\n \n \n \n serious-concern\n \n \n \n | \n \n serious concern | \n \n serious concern. | \n \n
\n \n \n \n critical-concern\n \n \n \n | \n \n critical concern | \n \n critical concern. | \n \n
\n \n \n \n present\n \n \n \n | \n \n present | \n \n possible reason for increasing quality rating was checked and found to bepresent. | \n \n
\n \n \n \n absent\n \n \n \n | \n \n absent | \n \n possible reason for increasing quality rating was checked and found to be absent. | \n \n
\n \n