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M66.18

Billable

Rupture of synovium, other site

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

The tissue lining around a joint in a location other than the shoulder, upper arm, forearm, wrist, hand, thigh, lower leg, ankle, or foot has ruptured or torn.

Coding Tips

  • Use this code for synovium ruptures in unusual locations such as the spine, pelvis, or other rare sites
  • Document the specific anatomical location in the medical record for clarity

Code Hierarchy

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