All ICD10 Codes

G51.9

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Disorder of facial nerve, unspecified

Metadata & Insights
  • •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 G50-G59 NotesView G51 Notes

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G50-G59Nerve, nerve root and plexus disorders (G50-G59)
G51Facial nerve disorders
G51.9Disorder of facial nerve, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G51.9:

categoryG51
Facial nerve disorders
View context instructions
blockG50-G59
Nerve, nerve root and plexus disorders (G50-G59)
View context instructions
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 073
Cranial and Peripheral Nerve Disorders with MCC
DRG 074
Cranial and Peripheral Nerve Disorders without MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Disorder of facial nerve, unspecified.

Search PCS Codes