W31.3XXA — Contact with prime movers, initial encounter
Is W31.3XXA billable?
Yes — W31.3XXA is billable for FY2027. W31.3XXA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W31.3XXA may be submitted for encounters from October 1, 2026 through September 30, 2027.
W31.3XXA at a glance
| Code | W31.3XXA |
|---|---|
| Description | Contact with prime movers, 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 W31.3XXA?
In W31.3XXA, the 7th character A means initial encounter. The 7th character is required for W31.3XXA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W31.3XXA listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W31.3, the nearest indexed parent of W31.3XXA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Contact › with › gas turbine (accidental)
- Contact › with › turbine (accidental)
- Accident › caused by, due to › electric › motor (to)
- Contact › with › machine, machinery › gas turbine (accidental)
- Contact › with › machine, machinery › internal combustion engine (accidental)
- Contact › with › machine, machinery › prime mover (accidental)
- Contact › with › machine, machinery › steam engine (accidental)
- Contact › with › machine, machinery › water driven turbine (accidental)
Inclusion terms
Alternative wording in documentation that is classified to W31.3XXA.
- Contact with gas turbine
- Contact with internal combustion engine
- Contact with steam engine
- Contact with water driven turbine
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W31.3XXA 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 W31
The conditions below can never be reported together with W31.3XXA 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 W31.3XXA existed?
W31.3XXA 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.