ICD-10-CM > M00-M99 > M65-M67 > M65 > M65.1 > M65.12 M65.12 Other infective (teno)synovitis, elbow Non-Billable/Non-Specific Codes M65.121Other infective (teno)synovitis, right elbowM65.122Other infective (teno)synovitis, left elbowM65.129Other infective (teno)synovitis, unspecified elbow