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S83.411 vs S83.419

S83.411 (Sprain of medial collateral ligament of right knee) compared with S83.419 (Sprain of medial collateral ligament of unspecified knee), from the official CMS tabular data. S83.411 and S83.419 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S83.411
Right
Sprain of medial collateral ligament of right knee
S83.419
Unspecified
Sprain of medial collateral ligament of unspecified knee

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. S83.411 and S83.419 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

S83.411Sprain of medial collateral ligament of right kneeS83.419Sprain of medial collateral ligament of unspecified knee
Billing statusNon-billable header

Report instead: S83.411A, S83.411D, S83.411S

Non-billable header

Report instead: S83.419A, S83.419D, S83.419S

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)
DefinitionSprain of medial collateral ligament of right knee is a non-billable ICD-10-CM category code (S83.411).Sprain of medial collateral ligament of unspecified knee is a non-billable ICD-10-CM category code (S83.419).
7th characterThe appropriate 7th character is to be added to each code from category S83The appropriate 7th character is to be added to each code from category S83
Includes
avulsion of joint or ligament of knee
laceration of cartilage, joint or ligament of knee
sprain of cartilage, joint or ligament of knee
traumatic hemarthrosis of joint or ligament of knee
avulsion of joint or ligament of knee
laceration of cartilage, joint or ligament of knee
sprain of cartilage, joint or ligament of knee
traumatic hemarthrosis of joint or ligament of knee

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