R47.9 Unspecified speech disturbances

Billable ICD-10-CM code, FY2026.

Applies from R47 Speech disturbances, not elsewhere classified

Excludes1 (never code together)

• autism (F84.0)
• cluttering (F80.81)
• specific developmental disorders of speech and language (F80.-)
• stuttering (F80.81)

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 784.59 Other speech disturbance (approximate)

Code annotations containing back-references to R47.9

Back-references to R47

• Type 1 Excludes: F80.1 Expressive language disorder ("dysphasia and aphasia NOS (R47.-)")
• Type 1 Excludes: F80.2 Mixed receptive-expressive language disorder ("dysphasia or aphasia NOS (R47.-)")

Diagnosis Index entries for R47.9

• Disorder (of) › speech
• Disturbance (s) › speech
• Impediment, speech
• Problem (with) (related to) › speech
• Speech › defect, disorder, disturbance, impediment

Nearby codes

• R47.1 Dysarthria and anarthria
• R47.8 Other speech disturbances
• R47.81 Slurred speech
• R47.82 Fluency disorder in conditions classified elsewhere
• R47.89 Other speech disturbances
• R47.9 Unspecified speech disturbances (this code)