| X50 | Overexertion and strenuous or repetitive movements | NON-BILLABLE CODE |
| X50.0 | Overexertion from strenuous movement or load | NON-BILLABLE CODE |
| X50.0XXA | Overexertion from strenuous movement or load, initial encounter | BILLABLE CODE |
| X50.0XXD | Overexertion from strenuous movement or load, subsequent encounter | BILLABLE CODE |
| X50.1 | Overexertion from prolonged static or awkward postures | NON-BILLABLE CODE |
| X50.1XXA | Overexertion from prolonged static or awkward postures, initial encounter | BILLABLE CODE |
| X50.1XXD | Overexertion from prolonged static or awkward postures, subsequent encounter | BILLABLE CODE |
| X50.1XXS | Overexertion from prolonged static or awkward postures, sequela | BILLABLE CODE |
| X50.3 | Overexertion from repetitive movements | NON-BILLABLE CODE |
| X50.3XXA | Overexertion from repetitive movements, initial encounter | BILLABLE CODE |
| X50.3XXD | Overexertion from repetitive movements, subsequent encounter | BILLABLE CODE |
| X50.3XXS | Overexertion from repetitive movements, sequela | BILLABLE CODE |
| X50.9 | Other and unspecified overexertion or strenuous movements or postures | NON-BILLABLE CODE |
| X50.9XXA | Other and unspecified overexertion or strenuous movements or postures, initial encounter | BILLABLE CODE |
| X50.9XXD | Other and unspecified overexertion or strenuous movements or postures, subsequent encounter | BILLABLE CODE |
| X50.9XXS | Other and unspecified overexertion or strenuous movements or postures, sequela | BILLABLE CODE |
