All ICD10 Codes

G10

Billable
ChapterG00–G99
Rankcategory
Description

Huntington's disease

About ICD-10-CM code G10

G10 is the ICD-10-CM diagnosis code for Huntington's disease. It sits in G00-G99 Diseases of the Nervous System, within Systemic atrophies primarily affecting the central nervous system (G10-G14). As a billable code, G10 can be reported for reimbursement.

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Includes
  • Huntington's chorea
  • Huntington's dementia
Use Additional Code

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G10-G14Systemic atrophies primarily affecting the central nervous system (G10-G14)
G10Huntington's diseaseBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G10:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

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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