S48.122A vs S48.129A

S48.122A (Partial traumatic amputation at level between left shoulder and elbow, initial encounter) compared with S48.129A (Partial traumatic amputation at level between unspecified shoulder and elbow, initial encounter), from the official CMS tabular data. S48.122A and S48.129A code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S48.122A

Left

Partial traumatic amputation at level between left shoulder and elbow, initial encounter

↔

S48.129A

Unspecified

Partial traumatic amputation at level between unspecified shoulder and elbow, initial 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. S48.122A and S48.129A 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

	S48.122APartial traumatic amputation at level between left shoulder and elbow, initial encounter	S48.129APartial traumatic amputation at level between unspecified shoulder and elbow, initial 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	Partial traumatic amputation at level between left shoulder and elbow, initial encounter is a billable ICD-10-CM diagnosis code (S48.122A).	Partial traumatic amputation at level between unspecified shoulder and elbow, initial encounter is a billable ICD-10-CM diagnosis code (S48.129A).
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