S45.901S vs S45.902S

S45.901S (Unspecified injury of unspecified blood vessel at shoulder and upper arm level, right arm, sequela) compared with S45.902S (Unspecified injury of unspecified blood vessel at shoulder and upper arm level, left arm, sequela), from the official CMS tabular data. S45.901S and S45.902S code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

S45.901S

Right

Unspecified injury of unspecified blood vessel at shoulder and upper arm level, right arm, sequela

↔

S45.902S

Left

Unspecified injury of unspecified blood vessel at shoulder and upper arm level, left arm, 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. S45.901S and S45.902S 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

	S45.901SUnspecified injury of unspecified blood vessel at shoulder and upper arm level, right arm, sequela	S45.902SUnspecified injury of unspecified blood vessel at shoulder and upper arm level, left arm, 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	Unspecified injury of unspecified blood vessel at shoulder and upper arm level, right arm, sequela is a billable ICD-10-CM diagnosis code (S45.901S).	Unspecified injury of unspecified blood vessel at shoulder and upper arm level, left arm, sequela is a billable ICD-10-CM diagnosis code (S45.902S).
7th character	The appropriate 7th character is to be added to each code from category S45	The appropriate 7th character is to be added to each code from category S45
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