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T15.80XA vs T15.80XD

T15.80XA (Foreign body in other and multiple parts of external eye, unspecified eye, initial encounter) compared with T15.80XD (Foreign body in other and multiple parts of external eye, unspecified eye, subsequent encounter), from the official CMS tabular data. T15.80XA and T15.80XD code the same injury at a different phase of treatment. MedCoder-derived

Relationship

Review

Encounter relationship

T15.80XA
Initial encounter
Foreign body in other and multiple parts of external eye, unspecified eye, initial encounter
↔
T15.80XD
Subsequent encounter
Foreign body in other and multiple parts of external eye, unspecified eye, subsequent encounter

Same underlying diagnosis, different encounter phase.

The 7th character records the phase of care for the encounter being coded, so a single encounter takes one of these characters, not several. Review whether both phases belong on the same episode of care.

Source: ICD-10-CM Official Guidelines, Section I.C.19.a

Can these codes be reported together?

Same injury, other encounter phase. T15.80XA and T15.80XD code the same injury at a different phase of treatment, set by the 7th character.

The 7th character records the type of care given at the encounter being coded (ICD-10-CM Official Guidelines, Section I.C.19.a), so one encounter takes one of these, not both.

Side by side

T15.80XAForeign body in other and multiple parts of external eye, unspecified eye, initial encounterT15.80XDForeign body in other and multiple parts of external eye, unspecified eye, subsequent encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionForeign body in other and multiple parts of external eye, unspecified eye, initial encounter is a billable ICD-10-CM diagnosis code (T15.80A).Foreign body in other and multiple parts of external eye, unspecified eye, subsequent encounter is a billable ICD-10-CM diagnosis code (T15.80D).
7th characterThe appropriate 7th character is to be added to each code from category T15The appropriate 7th character is to be added to each code from category T15
Use additional code
code, if known, for foreign body entering into or through a natural orifice (W44.-)
code, if known, for foreign body entering into or through a natural orifice (W44.-)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources