| M1A.041 | Idiopathic chronic gout, right hand | NON-BILLABLE CODE |
| M1A.0410 | Idiopathic chronic gout, right hand, without tophus (tophi) | BILLABLE CODE |
| M1A.0411 | Idiopathic chronic gout, right hand, with tophus (tophi) | BILLABLE CODE |
| M1A.042 | Idiopathic chronic gout, left hand | NON-BILLABLE CODE |
| M1A.0420 | Idiopathic chronic gout, left hand, without tophus (tophi) | BILLABLE CODE |
| M1A.0421 | Idiopathic chronic gout, left hand, with tophus (tophi) | BILLABLE CODE |
| M1A.049 | Idiopathic chronic gout, unspecified hand | NON-BILLABLE CODE |
| M1A.0490 | Idiopathic chronic gout, unspecified hand, without tophus (tophi) | BILLABLE CODE |
| M1A.0491 | Idiopathic chronic gout, unspecified hand, with tophus (tophi) | BILLABLE CODE |
