W49.9XXA — Exposure to other inanimate mechanical forces, initial encounter
Is W49.9XXA billable?
Yes — W49.9XXA is billable for FY2027. W49.9XXA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W49.9XXA may be submitted for encounters from October 1, 2026 through September 30, 2027.
W49.9XXA at a glance
| Code | W49.9XXA |
|---|---|
| Description | Exposure to other inanimate mechanical forces, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in W49.9XXA?
In W49.9XXA, the 7th character A means initial encounter. The 7th character is required for W49.9XXA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W49.9XXA listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W49.9, the nearest indexed parent of W49.9XXA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Infrasound waves (causing injury)
- Vibration (causing injury)
- Exposure › G-forces (to)
- Exposure › gravitational forces (to)
- Exposure › high-pressure jet (to)
- Exposure › hydraulic jet (to)
- Exposure › inanimate mechanical force (to)
- Exposure › jet, high-pressure (to)
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W49.9XXA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W49
The conditions below can never be reported together with W49.9XXA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
How long has W49.9XXA existed?
W49.9XXA has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.