ICDcodes.org
FY2027

W55.09XSOther contact with cat, sequela

Billable

Is W55.09XS billable?

Yes — W55.09XS is billable for FY2027. W55.09XS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W55.09XS may be submitted for encounters from October 1, 2026 through September 30, 2027.

W55.09XS at a glance

CodeW55.09XS
DescriptionOther contact with cat, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in W55.09XS?

In W55.09XS, the 7th character S means sequela. The 7th character is required for W55.09XS to be a valid, complete code.

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

How is W55.09XS listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under W55.09, the nearest indexed parent of W55.09XS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Contactwithcat (accidental)

Excludes1 — never code together — inherited from W50-W64

The conditions below can never be reported together with W55.09XS 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 W55.09XS 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 W55.09XS existed?

W55.09XS 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.