T84.51XD vs T84.52XD

T84.51XD (Infection and inflammatory reaction due to internal right hip prosthesis, subsequent encounter) compared with T84.52XD (Infection and inflammatory reaction due to internal left hip prosthesis, subsequent encounter), from the official CMS tabular data. T84.51XD and T84.52XD code the same condition on opposite sides.

Relationship

Review

Laterality relationship

T84.51XD

Right

Infection and inflammatory reaction due to internal right hip prosthesis, subsequent encounter

↔

T84.52XD

Left

Infection and inflammatory reaction due to internal left hip prosthesis, subsequent encounter

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. T84.51XD and T84.52XD name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

	T84.51XDInfection and inflammatory reaction due to internal right hip prosthesis, subsequent encounter	T84.52XDInfection and inflammatory reaction due to internal left hip prosthesis, subsequent encounter
Billing status	Billable	Billable
Classification	S00-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)
Definition	Infection and inflammatory reaction due to internal right hip prosthesis, subsequent encounter is a billable ICD-10-CM diagnosis code (T84.51D).	Infection and inflammatory reaction due to internal left hip prosthesis, subsequent encounter is a billable ICD-10-CM diagnosis code (T84.52D).
7th character	The appropriate 7th character is to be added to each code from category T84	The appropriate 7th character is to be added to each code from category T84
Use additional code	code to identify infection code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code(s) to identify the specified condition resulting from the complication	code to identify infection code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code(s) to identify the specified condition resulting from the complication

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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