| W49 | Exposure to other inanimate mechanical forces | NON-BILLABLE CODE |
| W49.0 | Item causing external constriction | NON-BILLABLE CODE |
| W49.01 | Hair causing external constriction | NON-BILLABLE CODE |
| W49.01XA | Hair causing external constriction, initial encounter | BILLABLE CODE |
| W49.01XD | Hair causing external constriction, subsequent encounter | BILLABLE CODE |
| W49.01XS | Hair causing external constriction, sequela | BILLABLE CODE |
| W49.02 | String or thread causing external constriction | NON-BILLABLE CODE |
| W49.02XA | String or thread causing external constriction, initial encounter | BILLABLE CODE |
| W49.02XD | String or thread causing external constriction, subsequent encounter | BILLABLE CODE |
| W49.02XS | String or thread causing external constriction, sequela | BILLABLE CODE |
| W49.03 | Rubber band causing external constriction | NON-BILLABLE CODE |
| W49.03XA | Rubber band causing external constriction, initial encounter | BILLABLE CODE |
| W49.03XD | Rubber band causing external constriction, subsequent encounter | BILLABLE CODE |
| W49.03XS | Rubber band causing external constriction, sequela | BILLABLE CODE |
| W49.04 | Ring or other jewelry causing external constriction | NON-BILLABLE CODE |
| W49.04XA | Ring or other jewelry causing external constriction, initial encounter | BILLABLE CODE |
| W49.04XD | Ring or other jewelry causing external constriction, subsequent encounter | BILLABLE CODE |
| W49.04XS | Ring or other jewelry causing external constriction, sequela | BILLABLE CODE |
| W49.09 | Other specified item causing external constriction | NON-BILLABLE CODE |
| W49.09XA | Other specified item causing external constriction, initial encounter | BILLABLE CODE |
| W49.09XD | Other specified item causing external constriction, subsequent encounter | BILLABLE CODE |
| W49.9 | Exposure to other inanimate mechanical forces | NON-BILLABLE CODE |
| W49.9XXA | Exposure to other inanimate mechanical forces, initial encounter | BILLABLE CODE |
| W49.9XXD | Exposure to other inanimate mechanical forces, subsequent encounter | BILLABLE CODE |
| W49.9XXS | Exposure to other inanimate mechanical forces, sequela | BILLABLE CODE |
