G30.1

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Alzheimer's disease with late onset

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).
General instructions are available for the parent sections:
View CH6 NotesView G30 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G30-G32Other degenerative diseases of the nervous system (G30-G32)
G30Alzheimer's disease
G30.1Alzheimer's disease with late onset

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G30.1:

categoryG30
Alzheimer's disease
View context instructions
chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G30.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Disease, diseased2 unique routes
Alzheimer's(2 variants)
late onset→G30.1(2 variants)
with behavioral disturbance→G30.1

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 056
Degenerative Nervous System Disorders with MCC
DRG 057
Degenerative Nervous System Disorders without MCC

Cross Reference

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