| M06.30 | Rheumatoid nodule, unspecified site | BILLABLE CODE |
| M06.31 | Rheumatoid nodule, shoulder | NON-BILLABLE CODE |
| M06.311 | Rheumatoid nodule, right shoulder | BILLABLE CODE |
| M06.312 | Rheumatoid nodule, left shoulder | BILLABLE CODE |
| M06.319 | Rheumatoid nodule, unspecified shoulder | BILLABLE CODE |
| M06.32 | Rheumatoid nodule, elbow | NON-BILLABLE CODE |
| M06.321 | Rheumatoid nodule, right elbow | BILLABLE CODE |
| M06.322 | Rheumatoid nodule, left elbow | BILLABLE CODE |
| M06.329 | Rheumatoid nodule, unspecified elbow | BILLABLE CODE |
| M06.33 | Rheumatoid nodule, wrist | NON-BILLABLE CODE |
| M06.331 | Rheumatoid nodule, right wrist | BILLABLE CODE |
| M06.332 | Rheumatoid nodule, left wrist | BILLABLE CODE |
| M06.339 | Rheumatoid nodule, unspecified wrist | BILLABLE CODE |
| M06.34 | Rheumatoid nodule, hand | NON-BILLABLE CODE |
| M06.341 | Rheumatoid nodule, right hand | BILLABLE CODE |
| M06.342 | Rheumatoid nodule, left hand | BILLABLE CODE |
| M06.349 | Rheumatoid nodule, unspecified hand | BILLABLE CODE |
| M06.35 | Rheumatoid nodule, hip | NON-BILLABLE CODE |
| M06.351 | Rheumatoid nodule, right hip | BILLABLE CODE |
| M06.352 | Rheumatoid nodule, left hip | BILLABLE CODE |
| M06.359 | Rheumatoid nodule, unspecified hip | BILLABLE CODE |
| M06.36 | Rheumatoid nodule, knee | NON-BILLABLE CODE |
| M06.361 | Rheumatoid nodule, right knee | BILLABLE CODE |
| M06.362 | Rheumatoid nodule, left knee | BILLABLE CODE |
| M06.369 | Rheumatoid nodule, unspecified knee | BILLABLE CODE |
| M06.37 | Rheumatoid nodule, ankle and foot | NON-BILLABLE CODE |
| M06.371 | Rheumatoid nodule, right ankle and foot | BILLABLE CODE |
| M06.372 | Rheumatoid nodule, left ankle and foot | BILLABLE CODE |
| M06.379 | Rheumatoid nodule, unspecified ankle and foot | BILLABLE CODE |
| M06.38 | Rheumatoid nodule, vertebrae | BILLABLE CODE |
| M06.39 | Rheumatoid nodule, multiple sites | BILLABLE CODE |
