R23 – Other skin changes
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the skin and subcutaneous tissue
ICD-10-CM code
R23
- Code
R23(claims format:R23)- Description
- Other skin changes
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R20-R23 Symptoms and signs involving the skin and subcutaneous tissue
Billable codes under R23
R23 is a header code and cannot be used on claims. Choose the most specific code:
- R23.0 – CyanosisBillable
- R23.1 – PallorBillable
- R23.2 – FlushingBillable
- R23.3 – Spontaneous ecchymosesBillable
- R23.4 – Changes in skin textureBillable
- R23.8 – Other skin changesBillable
- R23.9 – Unspecified skin changesBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block R20-R23
Frequently asked questions
What is ICD-10 code R23?
R23 is the ICD-10-CM code for other skin changes, in the block R20-R23 (Symptoms and signs involving the skin and subcutaneous tissue).
Is R23 a billable code?
No. R23 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.