R48.0

Billable

ChapterR00–R99

Ranksubcategory

Official Description

Dyslexia and alexia

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

General instructions are available for the parent sections:

View CH18 Notes View R48 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R47-R49Symptoms and signs involving speech and voice (R47-R49)

R48Dyslexia and other symbolic dysfunctions, not elsewhere classified

R48.0Dyslexia and alexia

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R48.0:

categoryR48

Dyslexia and other symbolic dysfunctions, not elsewhere classified

View context instructions

chapterCH18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R48.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

Agraphia (absolute)1 unique routes

with alexia→R48.0

Alexia2 unique routes

Direct index entry→R48.0

secondary to organic lesion→R48.0

Blindness (acquired) (congenital) (both eyes)2 unique routes

word (developmental)(2 variants)

acquired→R48.0

secondary to organic lesion→R48.0

Disorder (of)2 unique routes

learning (specific)