Non-prs chr ulcer of r calf with msl invl w/o evd of necr

This code signifies a persistent, open sore on the right calf that extends into the muscle tissue but does not show signs of dead tissue. These ulcers are typically caused by underlying conditions like venous insufficiency, arterial disease, or neuropathy, rather than direct pressure.

Use this code for patients presenting with a chronic, non-healing ulcer on the right calf where the wound bed clearly involves muscle tissue. Documentation should explicitly state the ulcer's chronicity, location, depth to muscle, and absence of necrosis. This code is appropriate when the physician has ruled out pressure as the primary cause.

• Ensure documentation specifies "right calf" and "muscle involvement" without necrosis.
• Always code the underlying cause of the ulcer (e.g., venous insufficiency, diabetes with neuropathy) first, as this is a manifestation code.
• Distinguish carefully between muscle involvement and bone involvement; a different code would be used for bone involvement.