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G93.4

Non-billable

Other and unspecified encephalopathy

G93.4 is the ICD-10-CM code for Other and unspecified encephalopathy. It is a non-billable category code — use a more specific child code such as G93.40 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G93
Subcodes
7
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes2 — not included here

  • •alcoholic encephalopathy (G31.2)
  • •encephalopathy in diseases classified elsewhere (G94)
  • •hypertensive encephalopathy (I67.4)
  • •toxic (metabolic) encephalopathy (G92.8)

Frequently asked questions

What is ICD-10 code G93.4?
G93.4 is the ICD-10-CM code for "Other and unspecified encephalopathy". It falls under G00-G99 Diseases of the nervous system.
Is G93.4 a billable code?
No — G93.4 is a non-billable header code. Use a more specific child code (such as G93.40) for billing.
What are the subcodes of G93.4?
G93.4 has 7 more specific child codes, including G93.40, G93.41, G93.42.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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