S48.921S vs S48.929S

S48.921S (Partial traumatic amputation of right shoulder and upper arm, level unspecified, sequela) compared with S48.929S (Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, sequela), from the official CMS tabular data. S48.921S and S48.929S code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S48.921S

Right

Partial traumatic amputation of right shoulder and upper arm, level unspecified, sequela

↔

S48.929S

Unspecified

Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, 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. S48.921S and S48.929S 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

	S48.921SPartial traumatic amputation of right shoulder and upper arm, level unspecified, sequela	S48.929SPartial traumatic amputation of unspecified shoulder and upper arm, level unspecified, sequela
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	Partial traumatic amputation of right shoulder and upper arm, level unspecified, sequela is a billable ICD-10-CM diagnosis code (S48.921S).	Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, sequela is a billable ICD-10-CM diagnosis code (S48.929S).
7th character	The appropriate 7th character is to be added to each code from category S48	The appropriate 7th character is to be added to each code from category S48
Includes	injuries of axilla injuries of scapular region	injuries of axilla injuries of scapular region

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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