ICD-10-CM > M00-M99 > M05-M14 > M05 > M05.0 > M05.02 M05.02 Felty's syndrome, elbow Non-Billable/Non-Specific Codes M05.021Felty's syndrome, right elbowM05.022Felty's syndrome, left elbowM05.029Felty's syndrome, unspecified elbow