LOINC long common name : Post-op discretionary knee activities score [Knee Society Score];
LOINC description : The discretionary knee activities score has a 15-point maximum and is calculated using
three activities patients select. The score is the sum of each activity and how bothersome
the knee is during the activity (5 point maximum each). [https://www.kneesociety.org/the-knee-society-score];