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S75.991A vs S75.999A

S75.991A (Other specified injury of unspecified blood vessel at hip and thigh level, right leg, initial encounter) compared with S75.999A (Other specified injury of unspecified blood vessel at hip and thigh level, unspecified leg, initial encounter), from the official CMS tabular data. S75.991A and S75.999A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S75.991A
Right
Other specified injury of unspecified blood vessel at hip and thigh level, right leg, initial encounter
S75.999A
Unspecified
Other specified injury of unspecified blood vessel at hip and thigh level, unspecified leg, 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. S75.991A and S75.999A 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

S75.991AOther specified injury of unspecified blood vessel at hip and thigh level, right leg, initial encounterS75.999AOther specified injury of unspecified blood vessel at hip and thigh level, unspecified leg, initial encounter
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 hip and thigh level, right leg, initial encounter is a billable ICD-10-CM diagnosis code (S75.991A).Other specified injury of unspecified blood vessel at hip and thigh level, unspecified leg, initial encounter is a billable ICD-10-CM diagnosis code (S75.999A).
7th characterThe appropriate 7th character is to be added to each code from category S75The appropriate 7th character is to be added to each code from category S75

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources