ICDcodes.org
FY2027

W55.29XAOther contact with cow, initial encounter

Billable

Is W55.29XA billable?

Yes — W55.29XA is billable for FY2027. W55.29XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W55.29XA may be submitted for encounters from October 1, 2026 through September 30, 2027.

W55.29XA at a glance

CodeW55.29XA
DescriptionOther contact with cow, 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 W55.29XA?

In W55.29XA, the 7th character A means initial encounter. The 7th character is required for W55.29XA to be a valid, complete code.

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

How is W55.29XA listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under W55.29, the nearest indexed parent of W55.29XA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Contactwithbull (accidental)
  • Contactwithcow (accidental)

Excludes1 — never code together — inherited from W50-W64

The conditions below can never be reported together with W55.29XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • Toxic effect of contact with venomous animals and plants (T63.-)

Excludes1 — never code together — inherited from W55

The conditions below can never be reported together with W55.29XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • animal being ridden- see transport accidents
  • bitten or struck by dog (W54)
  • bitten or struck by rodent (W53.-)
  • contact with marine mammals (W56.-)

How long has W55.29XA existed?

W55.29XA 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.