ICD-10 block
R20–R23 Symptoms and signs involving the skin and subcutaneous tissue
The block R20–R23 of ICD-10 is titled “Symptoms and signs involving the skin and subcutaneous tissue”. It is part of Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, and holds 4 groups.
Codes in R20–R23
- R22.0Localized swelling, mass and lump, head
- R22.1Localized swelling, mass and lump, neck
- R22.2Localized swelling, mass and lump, trunk
- R22.3Localized swelling, mass and lump, upper limb
- R22.4Localized swelling, mass and lump, lower limb
- R22.7Localized swelling, mass and lump, multiple sites
- R22.9Localized swelling, mass and lump, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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