Symptoms and signs involving speech and voice
25 codes in this section
About Section R47-R49
Section R47-R49 (R47-R49) covers symptoms and signs involving speech and voice. It sits within the Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified chapter (R00-R99). This section contains 25 ICD-10-CM codes, 19 billable diagnoses you can submit on a claim, and 6 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in R47-R49
Grouped by 3-character root code. Click any code for full detail.
| R47.0 | Dysphasia and aphasia | Header |
| R47.01 | Aphasia | Billable |
| R47.02 | Dysphasia | Billable |
| R47.1 | Dysarthria and anarthria | Billable |
| R47.8 | Other speech disturbances | Header |
| R47.81 | Slurred speech | Billable |
| R47.82 | Fluency disorder in conditions classified elsewhere | Billable |
| R47.89 | Other speech disturbances | Billable |
| R47.9 | Unspecified speech disturbances | Billable |
| R48.0 | Dyslexia and alexia | Billable |
| R48.1 | Agnosia | Billable |
| R48.2 | Apraxia | Billable |
| R48.3 | Visual agnosia | Billable |
| R48.8 | Other symbolic dysfunctions | Billable |
| R48.9 | Unspecified symbolic dysfunctions | Billable |
| R49.0 | Dysphonia | Billable |
| R49.1 | Aphonia | Billable |
| R49.2 | Hypernasality and hyponasality | Header |
| R49.21 | Hypernasality | Billable |
| R49.22 | Hyponasality | Billable |
| R49.8 | Other voice and resonance disorders | Billable |
| R49.9 | Unspecified voice and resonance disorder | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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