Localized swelling, mass and lump, right lower limb

This code signifies a palpable, circumscribed enlargement or protuberance located specifically on the patient's right lower extremity. It describes a non-specific finding of swelling, a mass, or a lump, without implying a definitive diagnosis of its underlying cause.

Use this code when documentation indicates a localized swelling, mass, or lump on the right lower limb, and a more specific diagnosis is not yet established or available. This code is appropriate for initial encounters where further investigation is pending, or when the etiology remains undetermined after workup.

• Always seek a more specific diagnosis if available (e.g., abscess, lipoma, cyst).
• Do not use this code if the swelling is generalized or bilateral; use appropriate codes for generalized edema or bilateral findings.
• Ensure documentation clearly specifies "right lower limb" to support laterality.