R22: Localized swelling, mass and lump of skin and subcutaneous tissue
R22.4: Localized swelling, mass and lump, lower limb
R22.40: Localized swelling, mass and lump, unspecified lower limb
R22.41: Localized swelling, mass and lump, right lower limb
R22.42: Localized swelling, mass and lump, left lower limb
R22.43: Localized swelling, mass and lump, lower limb, bilateral

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