Oth meniscus derang, anterior horn of lat mensc, left knee

This diagnosis code indicates a non-traumatic abnormality or injury affecting the front portion of the lateral meniscus in the left knee. These derangements can include tears, cysts, or other degenerative changes not specified as acute or due to an old tear.

Use this code when documentation specifies a derangement of the anterior horn of the lateral meniscus in the left knee, without further detail regarding the specific type of tear (e.g., bucket-handle, radial) or its acuity. This code is appropriate for chronic or unspecified meniscus pathology.

• Ensure the documentation clearly specifies the anterior horn of the lateral meniscus and the left knee.
• Distinguish from acute tears (S83.2- series) or old/healed tears (M23.2- series).
• Laterality is crucial; confirm left knee involvement.