| Sub-classification | Description |
| T13.0 | Superficial injury of lower limb, level unspecified |
| T13.1 | Open wound of lower limb, level unspecified |
| T13.2 | Dislocation, sprain and strain of unspecified joint and ligament of lower limb, level unspecified |
| T13.3 | Injury of unspecified nerve of lower limb, level unspecified |
| T13.4 | Injury of unspecified blood vessel of lower limb, level unspecified |
| T13.5 | Injury of unspecified muscle and tendon of lower limb, level unspecified |
| T13.6 | Traumatic amputation of lower limb, level unspecified |
| T13.8 | Other specified injuries of lower limb, level unspecified |
| T13.9 | Unspecified injury of lower limb, level unspecified |