R48.0 – Dyslexia and alexia

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving speech and voice

Billable code

ICD-10-CM code R48.0

Code: R48.0 (claims format: R480)
Description: Dyslexia and alexia
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: R47-R49 Symptoms and signs involving speech and voice
Parent codes: R48

Notes inherited from parent codes

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

R48 – Dyslexia and other symbolic dysfunctions, not elsewhere classified

Excludes1 (not coded here):

specific developmental disorders of scholastic skills (F81.-)

Index terms for R48.0

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

Related codes in R48

R48.1 – AgnosiaBillable
R48.2 – ApraxiaBillable
R48.3 – Visual agnosiaBillable
R48.8 – Other symbolic dysfunctionsBillable
R48.9 – Unspecified symbolic dysfunctionsBillable

Frequently asked questions

What is ICD-10 code R48.0?

R48.0 is the ICD-10-CM code for dyslexia and alexia, in the block R47-R49 (Symptoms and signs involving speech and voice).

Is R48.0 a billable code?

Yes. R48.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R48.0 belong to?

It belongs to category R48 – Dyslexia and other symbolic dysfunctions, not elsewhere classified.

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.