ICDcodes.org
FY2027

W16.41XAFall into unspecified water causing drowning and submersion, initial encounter

BillableUnspecified

Is W16.41XA billable?

Yes, but W16.41XA is an unspecified code. W16.41XA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, W16.41XA is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting W16.41XA — the more specific alternatives are listed below.

More specific alternatives

W16.41XA at a glance

CodeW16.41XA
DescriptionFall into unspecified water causing drowning and submersion, initial encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "A"initial encounter

What does the 7th character "A" mean in W16.41XA?

In W16.41XA, the 7th character A means initial encounter. The 7th character is required for W16.41XA to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

How is W16.41XA listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under W16.41, the nearest indexed parent of W16.41XA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Fall, fallingintowatercausing drowning (accidental)
  • Drowningfollowingfallintowater NOS (accidental)

Excludes1 — never code together — inherited from W00-W19

The conditions below can never be reported together with W16.41XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • assault involving a fall (Y01-Y02)
  • fall from animal (V80.-)
  • fall (in) (from) machinery (in operation) (W28-W31)
  • fall (in) (from) transport vehicle (V01-V99)
  • intentional self-harm involving a fall (X80-X81)

Excludes1 — never code together — inherited from W16

The conditions below can never be reported together with W16.41XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • accidental non-watercraft drowning and submersion not involving fall (W65-W74)
  • effects of air pressure from diving (W94.-)
  • fall into water from watercraft (V90-V94)
  • hitting an object or against bottom when falling from watercraft (V94.0)

Excludes2 — not included here — inherited from W00-W19

The conditions below are not part of W16.41XA, but a patient may have both at the same time. When documentation supports it, W16.41XA and the excluded code may both be reported.

  • at risk for fall (history of fall) Z91.81
  • fall (in) (from) burning building (X00.-)
  • fall into fire (X00-X04, X08)

Excludes2 — not included here — inherited from W16

The conditions below are not part of W16.41XA, but a patient may have both at the same time. When documentation supports it, W16.41XA and the excluded code may both be reported.

  • striking or hitting diving board (W21.4)

How long has W16.41XA existed?

W16.41XA 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.