ICD-10-CM 2027 diagnosis code

R47.0Dysphasia and aphasia

Not billable — use a more specific code

R47.0 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About R47.0

R47.0 is the ICD-10-CM diagnosis code for dysphasia and aphasia. It belongs to category R47 (speech disturbances, not elsewhere classified), block R47-R49 (symptoms and signs involving speech and voice) and chapter 18 (symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within R47 (speech disturbances, not elsewhere classified), R47.0 is specifically for dysphasia and aphasia. Related codes cover dysarthria and anarthria (R47.1), other speech disturbances (R47.8) and unspecified speech disturbances (R47.9).

To report this condition, pick the subcode that matches the documentation: R47.01 (aphasia) and R47.02 (dysphasia).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under R47.0

Notes that apply from higher levels

Instructions written at a parent level also apply to R47.0.

› From R47 Speech disturbances, not elsewhere classified

Excludes1

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

Broader instructions also apply from Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about R47.0

Is R47.0 billable?: No. R47.0 is a header code. Report one of its more specific subcodes instead.