R22: Localized swelling, mass and lump of skin and subcutaneous tissue
R22.3: Localized swelling, mass and lump, upper limb
R22.30: Localized swelling, mass and lump, unspecified upper limb
R22.31: Localized swelling, mass and lump, right upper limb
R22.32: Localized swelling, mass and lump, left upper limb
R22.33: Localized swelling, mass and lump, upper limb, bilateral

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