All ICD10 Codes

G92.9

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Unspecified toxic encephalopathy

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

Instructional Notes

Code First
  • poisoning due to drug or toxin, if applicable, (T36-T65 with fifth or sixth character 1-4)
Use Additional Code
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
General instructions are available for the parent sections:
View CH6 Notes

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G89-G99Other disorders of the nervous system (G89-G99)
G92Toxic encephalopathy
G92.9Unspecified toxic encephalopathyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G92.9:

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

Code History

  • FY 2021: This code replaced G92 (Toxic encephalopathy)

MS-DRG Classification

2026 v43.1

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

DRG 023
Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
DRG 024
Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
DRG 091
Other Disorders of Nervous System with MCC
DRG 092
Other Disorders of Nervous System with CC
DRG 093
Other Disorders of Nervous System without CC/MCC
DRG 791
Prematurity with Major Problems
DRG 793
Full Term Neonate with Major Problems

Cross Reference

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