2026 ICD-10-CM Diagnosis Code G31.87Primary progressive apraxia of speech

ICD-10-CM Codes›G00–G99›G30-G32›G31

ICD-10-CM G31.87
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G31.87 is a billable ICD-10-CM diagnosis code for primary progressive apraxia of speech. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).

Code Identity

ICD-10-CM Code
G31.87
Billable Status
Yes — Valid for Submission
Code Describes
Primary progressive apraxia of speech
Short Description
Primary progressive apraxia of speech
Same as the full description in the CMS dataset.
Parent Code
G31.8
Other specified degenerative diseases of nervous system

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG30-G32Other degenerative diseases of the nervous system
CategoryG31Other degenerative diseases of nervous system, not elsewhere classified
This CodeG31.87Primary progressive apraxia of speech

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Apraxia(classic) (ideational) (ideokinetic) (ideomotor) (motor) (verbal)
      • primary progressive, of speech

Code History & ChangesHistory

New Code G31.87 was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.

Replacement G31.87 replaces the following previously assigned code(s):

  • R48.2 - Apraxia
FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentRevised in the current code setEffective October 1, 2025 through September 30, 2026.

Questions About G31.87Overview

Is G31.87 (Other specified degenerative diseases of nervous system) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report primary progressive apraxia of speech on HIPAA-covered claims from October 1, 2025 through September 30, 2026.