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S45.992S vs S45.999S

S45.992S (Other specified injury of unspecified blood vessel at shoulder and upper arm level, left arm, sequela) compared with S45.999S (Other specified injury of unspecified blood vessel at shoulder and upper arm level, unspecified arm, sequela), from the official CMS tabular data. S45.992S and S45.999S code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S45.992S
Left
Other specified injury of unspecified blood vessel at shoulder and upper arm level, left arm, sequela
↔
S45.999S
Unspecified
Other specified injury of unspecified blood vessel at shoulder and upper arm level, unspecified 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. S45.992S and S45.999S 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

S45.992SOther specified injury of unspecified blood vessel at shoulder and upper arm level, left arm, sequelaS45.999SOther specified injury of unspecified blood vessel at shoulder and upper arm level, unspecified arm, 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)
DefinitionOther specified injury of unspecified blood vessel at shoulder and upper arm level, left arm, sequela is a billable ICD-10-CM diagnosis code (S45.992S).Other specified injury of unspecified blood vessel at shoulder and upper arm level, unspecified arm, sequela is a billable ICD-10-CM diagnosis code (S45.999S).
7th characterThe appropriate 7th character is to be added to each code from category S45The 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