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Compare/S31.45XA vs T18.2

S31.45XA vs T18.2

S31.45XA (Open bite of vagina and vulva, initial encounter) compared with T18.2 (Foreign body in stomach), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. S31.45XA carries an Excludes2 note covering T18.2: “effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

S31.45XAOpen bite of vagina and vulva, initial encounterT18.2Foreign body in stomach
Billing statusBillableNon-billable header

Report instead: T18.2XXA, T18.2XXD, T18.2XXS

ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionOpen bite of vagina and vulva, initial encounter is a billable ICD-10-CM diagnosis code (S31.45A).Foreign body in stomach is a non-billable ICD-10-CM category code (T18.2).
7th characterThe appropriate 7th character is to be added to each code from category S31The appropriate 7th character is to be added to each code from category T18
Includes
injuries to the abdominal wall
injuries to the anus
injuries to the buttock
injuries to the external genitalia
Use additional code
code, if known, for foreign body entering into or through a natural orifice (W44.-)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources