R48.9 - Unspecified symbolic dysfunctions

Version 2023
No Valid Principal Dx
ICD-10:R48.9
Short Description:Unspecified symbolic dysfunctions
Long Description:Unspecified symbolic dysfunctions
Status: Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving speech and voice (R47-R49)
      • Dyslexia and oth symbolic dysfunctions, NEC (R48)

R48.9 is a billable ICD-10 code used to specify a medical diagnosis of unspecified symbolic dysfunctions. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.

Unspecified diagnosis codes like R48.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Convert to ICD-9 Code

Source ICD-10 CodeTarget ICD-9 Code
R48.9784.60 - Symbolic dysfunction NOS

Patient Education


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Code History