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).
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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