HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code R48.0: Dyslexia and alexia

R48.0 is a billable ICD-10 diagnosis code used to classify Dyslexia and alexia 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 dyslexia and alexia 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
R47-R49Symptoms and signs involving speech and voice
category
R48Dyslexia and other symbolic dysfunctions, not elsewhere classified
currentR48

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 Physician

Coverage-related procedures and services

CPT 96113high
DEVELOPMENTAL TEST ADMINISTRATION (INCLUDING ASSESSMENT OF FINE AND/OR GROSS MOTOR, LANGUAGE, COGNITIVE LEVEL, SOCIAL, MEMORY AND/OR EXECUTIVE FUNCTIONS BY STANDARDIZED DEVELOPMENTAL INSTRUMENTS WHEN PERFORMED), BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL, WITH INTERPRETATION AND REPORT; EACH ADDITIONAL 30 MINUTES (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 96112high
DEVELOPMENTAL TEST ADMINISTRATION (INCLUDING ASSESSMENT OF FINE AND/OR GROSS MOTOR, LANGUAGE, COGNITIVE LEVEL, SOCIAL, MEMORY AND/OR EXECUTIVE FUNCTIONS BY STANDARDIZED DEVELOPMENTAL INSTRUMENTS WHEN PERFORMED), BY PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL, WITH INTERPRETATION AND REPORT; FIRST HOUR
Source: CMS coverage guidance
CPT 97533high
SENSORY INTEGRATIVE TECHNIQUES TO ENHANCE SENSORY PROCESSING AND PROMOTE ADAPTIVE RESPONSES TO ENVIRONMENTAL DEMANDS, DIRECT (ONE-ON-ONE) PATIENT CONTACT, EACH 15 MINUTES
Source: CMS coverage guidance
CPT 96105high
ASSESSMENT OF APHASIA (INCLUDES ASSESSMENT OF EXPRESSIVE AND RECEPTIVE SPEECH AND LANGUAGE FUNCTION, LANGUAGE COMPREHENSION, SPEECH PRODUCTION ABILITY, READING, SPELLING, WRITING, EG, BY BOSTON DIAGNOSTIC APHASIA EXAMINATION) WITH INTERPRETATION AND REPORT, PER HOUR
Source: CMS coverage guidance
CPT 96125high
STANDARDIZED COGNITIVE PERFORMANCE TESTING (EG, ROSS INFORMATION PROCESSING ASSESSMENT) PER HOUR OF A QUALIFIED HEALTH CARE PROFESSIONAL'S TIME, BOTH FACE-TO-FACE TIME ADMINISTERING TESTS TO THE PATIENT AND TIME INTERPRETING THESE TEST RESULTS AND PREPARING THE REPORT
Source: CMS coverage guidance
CPT 97130high
THERAPEUTIC INTERVENTIONS THAT FOCUS ON COGNITIVE FUNCTION (EG, ATTENTION, MEMORY, REASONING, EXECUTIVE FUNCTION, PROBLEM SOLVING, AND/OR PRAGMATIC FUNCTIONING) AND COMPENSATORY STRATEGIES TO MANAGE THE PERFORMANCE OF AN ACTIVITY (EG, MANAGING TIME OR SCHEDULES, INITIATING, ORGANIZING, AND SEQUENCING TASKS), DIRECT (ONE-ON-ONE) PATIENT CONTACT; EACH ADDITIONAL 15 MINUTES (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
R48.0

Common synonyms

Dyslexia and alexia

Frequently asked questions

Code details

CodeR48.0
SystemICD10
Display nameDyslexia and alexia
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockSymptoms and signs involving speech and voice

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Agraphia(absolute)AlexiaAlexiaBlindness(acquired) (congenital) (both eyes)Blindness(acquired) (congenital) (both eyes)Disorder(of)Disorder(of)Dyslexia

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.