Other skin changes (R23) ICD-10-CM
The R23 code range covers other skin changes with 8 ICD-10-CM diagnosis codes. 7 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the R23 Range 8 codes · 7 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the R23 range.
Blister
Visible accumulations of fluid within or beneath the epidermis.
Cyanosis
A bluish or purplish discoloration of the skin and mucous membranes due to an increase in the amount of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule.
Flushing
A transient reddening of the face that may be due to fever, certain drugs, exertion, or stress.
Pallor
A clinical manifestation consisting of an unnatural paleness of the skin.
Parakeratosis
Persistence of the nuclei of the keratinocytes into the stratum corneum of the skin. This is a normal state only in the epithelium of true mucous membranes in the mouth and vagina. (Dorland, 27th ed)
About the R23 Code Range
Skin changes in this category include differences in color and texture, along with other skin findings.
R23.0 describes blue skin, while R23.1 describes paleness. R23.2 is for flushing, and R23.3 is for bruises that appear on their own. R23.4 identifies changes in skin texture. The remaining subdivisions distinguish other skin changes, R23.8, from unspecified skin changes, R23.9.
Questions About This Page
How many billable codes are in the R23 range?
Of the 8 codes in this range, 7 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the R23 range classify?
The range classifies other skin changes. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
