Non-prs chr ulcer of back with muscle invl w/o evd of necr

This code signifies a persistent, non-pressure-related open sore on the patient's back that extends into the muscle tissue. There is no indication of dead tissue (necrosis) within the ulcer bed. This condition typically arises from underlying systemic issues, trauma, or vascular insufficiency rather than sustained pressure.

Apply this code when documentation clearly states a chronic ulcer on the back, explicitly noting involvement of the muscle layer. The physician's notes must also confirm the absence of necrosis and rule out pressure as the primary etiology. This code is appropriate for ulcers resulting from conditions like venous stasis, arterial insufficiency, or neuropathic causes.

• Ensure documentation specifies "non-pressure" and "back" as the ulcer location.
• Confirm the depth of the ulcer reaches the muscle layer, and explicitly note the absence of necrosis.
• Always code the underlying cause of the ulcer first, if known (e.g., venous insufficiency, diabetes with neuropathy).