LOINC long common name : Post-op objective knee indicators score [Knee Society Score];
LOINC description : The objective knee score is calculated using alignment, instability, and joint motion.
Alignment is calculated on a weight-bearing AP radiograph with a 25-point maximum.
Instability is calculated in full extension and 90 degrees with a 25-point maximum.
Joint Motion is calculated with 1 point for each 5 degrees of joint motion and there
are deductions for flexion contracture and extension lag. [https://www.kneesociety.org/the-knee-society-score];