R48 – Dyslexia and other symbolic dysfunctions, not elsewhere classified
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving speech and voice
ICD-10-CM code
R48
- Code
R48(claims format:R48)- Description
- Dyslexia and other symbolic dysfunctions, not elsewhere classified
- Short description
- Dyslexia and oth symbolic dysfunctions, NEC
- Billable
- No – use a more specific code below
- 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
Billable codes under R48
R48 is a header code and cannot be used on claims. Choose the most specific code:
- R48.0 – Dyslexia and alexiaBillable
- R48.1 – AgnosiaBillable
- R48.2 – ApraxiaBillable
- R48.3 – Visual agnosiaBillable
- R48.8 – Other symbolic dysfunctionsBillable
- R48.9 – Unspecified symbolic dysfunctionsBillable
Notes for R48
Excludes1 (not coded here):
- specific developmental disorders of scholastic skills (F81.-)
Frequently asked questions
What is ICD-10 code R48?
R48 is the ICD-10-CM code for dyslexia and other symbolic dysfunctions, not elsewhere classified, in the block R47-R49 (Symptoms and signs involving speech and voice).
Is R48 a billable code?
No. R48 is a header code with more specific child codes; report one of the billable codes listed above.
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.