Primary oa knee icd 10 July 8, 2019 16 32 64 128 Primary oa right knee icd 10 Primary oa left knee icd 10 Primary oa l knee icd 10 Primary oa both knee icd 10 Bilateral primary oa of knee icd 10 Unilateral primary oa right knee icd 10 Unilateral primary oa left knee icd 10 Knee icd 10 Knee oa icd 10 Primary osteoarthritis unspecified site icd 10