About Section R20-R23

Section R20-R23 covers Symptoms and signs involving the skin and subcutaneous tissue within Chapter 18 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from R20 to R23. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 31 entries

R20Disturbances of skin sensationNon-Billable›R20.0Anesthesia of skinBillable›R20.1Hypoesthesia of skinBillable›R20.2Paresthesia of skinBillable›R20.3HyperesthesiaBillable›R20.8Other disturbances of skin sensationBillable›R20.9Unspecified disturbances of skin sensationBillable›R21Rash and other nonspecific skin eruptionBillable›R22Localized swelling, mass and lump of skin and subcutaneous tissueNon-Billable›R22.0Localized swelling, mass and lump, headBillable›R22.1Localized swelling, mass and lump, neckBillable›R22.2Localized swelling, mass and lump, trunkBillable›R22.3Localized swelling, mass and lump, upper limbNon-Billable›R22.30Localized swelling, mass and lump, unspecified upper limbBillable›R22.31Localized swelling, mass and lump, right upper limbBillable›R22.32Localized swelling, mass and lump, left upper limbBillable›R22.33Localized swelling, mass and lump, upper limb, bilateralBillable›R22.4Localized swelling, mass and lump, lower limbNon-Billable›R22.40Localized swelling, mass and lump, unspecified lower limbBillable›R22.41Localized swelling, mass and lump, right lower limbBillable›R22.42Localized swelling, mass and lump, left lower limbBillable›R22.43Localized swelling, mass and lump, lower limb, bilateralBillable›R22.9Localized swelling, mass and lump, unspecifiedBillable›R23Other skin changesNon-Billable›R23.0CyanosisBillable›R23.1PallorBillable›R23.2FlushingBillable›R23.3Spontaneous ecchymosesBillable›R23.4Changes in skin textureBillable›R23.8Other skin changesBillable›R23.9Unspecified skin changesBillable›