Subsequent Care. For the subsequent care services (99231-99233), Jimenez provided an example of proper use: “Let’s say that a patient is admitted to observation, and then it’s decided to admit them to inpatient. You would use the subsequent care codes because they’ve already received an initial hospital service. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.