S83.40Non-billable (header)

Sprain of unspecified collateral ligament of knee

Sub-codes of S83.40(3)

S83.40 is a non-billable header. Select a sub-code to bill. Sub-codes marked ⚠ require a 7th character — append A, D, or S (and an X placeholder if needed).

S83.401Sprain of unspecified collateral ligament of right knee⚠ 7th charS83.402Sprain of unspecified collateral ligament of left knee⚠ 7th charS83.409Sprain of unspecified collateral ligament of unspecified kne…⚠ 7th char

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S80-S89Injuries to the knee and lower leg (S80-S89)├S83Dislocation and sprain of joints and ligaments of knee
└S83.40Sprain of unspecified collateral ligament of knee

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