Non-Billable / Non-Specific Code
ICD-10-CM R48 is the diagnosis code for Dyslexia and other symbolic dysfunctions, not elsewhere classified. This code falls under the section "Symptoms and signs involving speech and voice" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as R48. They are mutually exclusive:
Understanding where R48 sits in the ICD-10-CM classification helps ensure proper coding:
No, R48 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R48 is the ICD-10-CM diagnosis code for "Dyslexia and other symbolic dysfunctions, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R48 is located in Section R47-R49 — "Symptoms and signs involving speech and voice" within Chapter 18 of the ICD-10-CM Tabular List.
R48 has 6 sub-code(s) that provide more specific detail: R48.0, R48.1, R48.2, R48.3, R48.8 and more.
Use R48 when the patients documented diagnosis matches "Dyslexia and other symbolic dysfunctions, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Dyslexia and other symbolic dysfunctions, not elsewhere classified is R48.
No, R48 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R48 is in Chapter 18 of the ICD-10-CM Tabular List.
Type 1 Excludes for R48 include: specific developmental disorders of scholastic skills (F81.-).
Yes, R48 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.