W44.A1XA ICD-10-CM Code: Button battery entering into or through a natural orifice, initial encounter
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Button battery entering into or through a natural orifice, initial encounter is a billable ICD-10-CM diagnosis code (W44.A1A).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for W44.A1XA in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- assault (X92-Y09)
- contact or collision with animals or persons (W50-W64)
- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
- intentional self-harm (X71-X83)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- contact with other sharp objects (W26)
- contact with sharp glass (W25)
- foreign body or object entering through skin (W45)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does W44.A1XA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category W44.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to W44.A1XA in its code family, with their registry titles.
- W44.A0 — Battery unspecified, entering into or through a natural orifice
- W44.A0XA — Battery unspecified, entering into or through a natural orifice, initial encounter
- W44.A0XD — Battery unspecified, entering into or through a natural orifice, subsequent encounter
- W44.A0XS — Battery unspecified, entering into or through a natural orifice, sequela
- W44.A1 — Button battery entering into or through a natural orifice
- W44.A1XD — Button battery entering into or through a natural orifice, subsequent encounter
- W44.A1XS — Button battery entering into or through a natural orifice, sequela
- W44.A9 — Other batteries entering into or through a natural orifice
- W44.A9XA — Other batteries entering into or through a natural orifice, initial encounter
- W44.A9XD — Other batteries entering into or through a natural orifice, subsequent encounter