They could affect your reimbursement Learning Medicare's multiple-endoscopy rule is a time-consuming endeavor, but now you can educate yourself on this rule without one major hassle: memorizing the endoscopic base codes for orthopedic procedures. We've listed the base codes you need to know right here so you can put an end to the guesswork. 29805, Shoulder arthroscopy 29806-29826
BASE CODE FAMILY MEMBERS
29830, Elbow arthroscopy 29834-29838
29840, Wrist arthroscopy 29843-29847
29860, Hip arthroscopy 29861-29863
29870, Knee arthroscopy 29871-29887