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T84.020S vs T84.021S

T84.020S (Dislocation of internal right hip prosthesis, sequela) compared with T84.021S (Dislocation of internal left hip prosthesis, sequela), from the official CMS tabular data. T84.020S and T84.021S code the same condition on opposite sides.

Relationship

Review

Laterality relationship

T84.020S
Right
Dislocation of internal right hip prosthesis, sequela
T84.021S
Left
Dislocation of internal left hip prosthesis, sequela

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. T84.020S and T84.021S 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

T84.020SDislocation of internal right hip prosthesis, sequelaT84.021SDislocation of internal left hip prosthesis, sequela
Billing statusBillableBillable
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)
DefinitionDislocation of internal right hip prosthesis, sequela is a billable ICD-10-CM diagnosis code (T84.020S).Dislocation of internal left hip prosthesis, sequela is a billable ICD-10-CM diagnosis code (T84.021S).
7th characterThe appropriate 7th character is to be added to each code from category T84The appropriate 7th character is to be added to each code from category T84
Use additional code
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 devices involved and details of circumstances (Y62-Y82)
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 devices involved and details of circumstances (Y62-Y82)

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