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  2. ICD-10-CM
  3. Ch. R00-R99
  4. Sec. R20-R23
  5. Category R22
Category R22

Localized swelling, mass and lump of skin and subcutaneous tissue

Clinical Classification Guidelines

Specific Diagnosis Codes

Localized swelling, mass and lump, head
R22.0
Localized swelling, mass and lump, neck
R22.1
Localized swelling, mass and lump, trunk
R22.2
Localized swelling, mass and lump, upper limb
R22.3
Localized swelling, mass and lump, unspecified upper limb
R22.30
Localized swelling, mass and lump, right upper limb
R22.31
Localized swelling, mass and lump, left upper limb
R22.32
Localized swelling, mass and lump, upper limb, bilateral
R22.33
Localized swelling, mass and lump, lower limb
R22.4
Localized swelling, mass and lump, unspecified lower limb
R22.40
Localized swelling, mass and lump, right lower limb
R22.41
Localized swelling, mass and lump, left lower limb
R22.42
Localized swelling, mass and lump, lower limb, bilateral
R22.43
Localized swelling, mass and lump, unspecified
R22.9
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Data updated for October 2025 release.

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