| M1A4421 | Other secondary chronic gout, left hand, with tophus (tophi) Other secondary chronic gout, left hand, with tophus (tophi) |
| M1A449 | Other secondary chronic gout, unspecified hand |
| M1A4490 | Other secondary chronic gout, unspecified hand, without tophus (tophi) |
| M1A4491 | Other secondary chronic gout, unspecified hand, with tophus (tophi) |
| M1A45 | Other secondary chronic gout, hip |
| M1A451 | Other secondary chronic gout, right hip |
| M1A4510 | Other secondary chronic gout, right hip, without tophus (tophi) |
| M1A4511 | Other secondary chronic gout, right hip, with tophus (tophi) Other secondary chronic gout, right hip, with tophus (tophi) |
| M1A452 | Other secondary chronic gout, left hip |
| M1A4520 | Other secondary chronic gout, left hip, without tophus (tophi) |
| M1A4521 | Other secondary chronic gout, left hip, with tophus (tophi) |
| M1A459 | Other secondary chronic gout, unspecified hip |
| M1A4590 | Other secondary chronic gout, unspecified hip, without tophus (tophi) |
| M1A4591 | Other secondary chronic gout, unspecified hip, with tophus (tophi) |
| M1A46 | Other secondary chronic gout, knee |
| M1A461 | Other secondary chronic gout, right knee |
| M1A4610 | Other secondary chronic gout, right knee, without tophus (tophi) |
| M1A4611 | Other secondary chronic gout, right knee, with tophus (tophi) |
| M1A462 | Other secondary chronic gout, left knee |
| M1A4620 | Other secondary chronic gout, left knee, without tophus (tophi) |
| M1A4621 | Other secondary chronic gout, left knee, with tophus (tophi) Other secondary chronic gout, left knee, with tophus (tophi) |
| M1A469 | Other secondary chronic gout, unspecified knee |
| M1A4690 | Other secondary chronic gout, unspecified knee, without tophus (tophi) |
| M1A4691 | Other secondary chronic gout, unspecified knee, with tophus (tophi) |
| M1A47 | Other secondary chronic gout, ankle and foot |
| M1A471 | Other secondary chronic gout, right ankle and foot |
| M1A4710 | Oth secondary chronic gout, right ankle and foot, w/o tophus Other secondary chronic gout, right ankle and foot, without tophus (tophi) |
| M1A4711 | Other secondary chronic gout, right ankle and foot, with tophus (tophi) |
| M1A472 | Other secondary chronic gout, left ankle and foot |
| M1A4720 | Other secondary chronic gout, left ankle and foot, without tophus (tophi) |
| M1A4721 | Oth secondary chronic gout, left ankle and foot, with tophus Other secondary chronic gout, left ankle and foot, with tophus (tophi) |
| M1A479 | Other secondary chronic gout, unspecified ankle and foot |
| M1A4790 | Other secondary chronic gout, unspecified ankle and foot, without tophus (tophi) |
| M1A4791 | Oth secondary chronic gout, unsp ankle and foot, with tophus Other secondary chronic gout, unspecified ankle and foot, with tophus (tophi) |
| M1A48 | Other secondary chronic gout, vertebrae |
| M1A48X0 | Other secondary chronic gout, vertebrae, without tophus (tophi) |
| M1A48X1 | Other secondary chronic gout, vertebrae, with tophus (tophi) Other secondary chronic gout, vertebrae, with tophus (tophi) |
| M1A49 | Other secondary chronic gout, multiple sites |
| M1A49X0 | Other secondary chronic gout, multiple sites, without tophus Other secondary chronic gout, multiple sites, without tophus (tophi) |
| M1A49X1 | Other secondary chronic gout, multiple sites, with tophus (tophi) |
| M1A9 | Chronic gout, unspecified |
| M1A9XX0 | Chronic gout, unspecified, without tophus (tophi) |
| M1A9XX1 | Chronic gout, unspecified, with tophus (tophi) |
| M20 | Acquired deformities of fingers and toes |
| M200 | Deformity of finger(s) |
| M2000 | Unspecified deformity of finger(s) |
| M20001 | Unspecified deformity of right finger(s) |
| M20002 | Unspecified deformity of left finger(s) |
| M20009 | Unspecified deformity of unspecified finger(s) |
| M2001 | Mallet finger |