R23.4 – Changes in skin texture

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the skin and subcutaneous tissue

Billable code

ICD-10-CM code R23.4

Code: R23.4 (claims format: R234)
Description: Changes in skin texture
Billable: Yes – valid for HIPAA-covered transactions
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
Parent codes: R23

Notes for R23.4

Applicable to:

Desquamation of skin
Induration of skin
Scaling of skin

Excludes1 (not coded here):

epidermal thickening NOS (L85.9)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block R20-R23

Excludes2 (not included here):

symptoms relating to breast (N64.4-N64.5)

Index terms for R23.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R23

R23.0 – CyanosisBillable
R23.1 – PallorBillable
R23.2 – FlushingBillable
R23.3 – Spontaneous ecchymosesBillable
R23.8 – Other skin changesBillable
R23.9 – Unspecified skin changesBillable

Frequently asked questions

What is ICD-10 code R23.4?

R23.4 is the ICD-10-CM code for changes in skin texture, in the block R20-R23 (Symptoms and signs involving the skin and subcutaneous tissue).

Is R23.4 a billable code?

Yes. R23.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R23.4 belong to?

It belongs to category R23 – Other skin changes.

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.