| M1A.021 | Idiopathic chronic gout, right elbow | NON-BILLABLE CODE |
| M1A.0210 | Idiopathic chronic gout, right elbow, without tophus (tophi) | BILLABLE CODE |
| M1A.0211 | Idiopathic chronic gout, right elbow, with tophus (tophi) | BILLABLE CODE |
| M1A.022 | Idiopathic chronic gout, left elbow | NON-BILLABLE CODE |
| M1A.0220 | Idiopathic chronic gout, left elbow, without tophus (tophi) | BILLABLE CODE |
| M1A.0221 | Idiopathic chronic gout, left elbow, with tophus (tophi) | BILLABLE CODE |
| M1A.029 | Idiopathic chronic gout, unspecified elbow | NON-BILLABLE CODE |
| M1A.0290 | Idiopathic chronic gout, unspecified elbow, without tophus (tophi) | BILLABLE CODE |
| M1A.0291 | Idiopathic chronic gout, unspecified elbow, with tophus (tophi) | BILLABLE CODE |
