ICD10BillableValid for clinical use

ICD-10 Code R23.4: Changes in skin texture

R23.4 is a billable ICD-10 diagnosis code used to classify Changes in skin texture in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

When is it used?

  • May be used when a clinician documents changes in skin texture in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
block
R20-R23Symptoms and signs involving the skin and subcutaneous tissue
category
R23Other skin changes
currentR23

Official coding notes

Inclusion terms
  • Desquamation of skin
  • Induration of skin
  • Scaling of skin
Excludes1 (do not code together)
  • epidermal thickening NOS (L85.9)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General PhysicianDermatologist

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
R23.4

Common synonyms

Changes in skin texture

Frequently asked questions

Code details

CodeR23.4
SystemICD10
Display nameChanges in skin texture
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockSymptoms and signs involving the skin and subcutaneous tissue

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Change(s) (in) (of)CrustsDesquamation, skinFissure, fissuredInduration, induratedInelasticity, skinLoss(of)ParakeratosisScabsScalesScaling, skinThickening

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code R23.4 for Changes in skin texture | HealthAssure