S45.802A vs S45.809A

S45.802A (Unspecified injury of other specified blood vessels at shoulder and upper arm level, left arm, initial encounter) compared with S45.809A (Unspecified injury of other specified blood vessels at shoulder and upper arm level, unspecified arm, initial encounter), from the official CMS tabular data. S45.802A and S45.809A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S45.802A

Left

Unspecified injury of other specified blood vessels at shoulder and upper arm level, left arm, initial encounter

↔

S45.809A

Unspecified

Unspecified injury of other specified blood vessels at shoulder and upper arm level, unspecified arm, 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. S45.802A and S45.809A 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

	S45.802AUnspecified injury of other specified blood vessels at shoulder and upper arm level, left arm, initial encounter	S45.809AUnspecified injury of other specified blood vessels at shoulder and upper arm level, unspecified arm, initial encounter
Billing status	Billable	Billable
Classification	S00-T88 — Injury, poisoning and certain other consequences of external causes	S00-T88 — Injury, poisoning and certain other consequences of external causes
Definition	Unspecified injury of other specified blood vessels at shoulder and upper arm level, left arm, initial encounter is a billable ICD-10-CM diagnosis code (S45.802A).	Unspecified injury of other specified blood vessels at shoulder and upper arm level, unspecified arm, initial encounter is a billable ICD-10-CM diagnosis code (S45.809A).
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