G89.1Header code — not billable

Acute pain, not elsewhere classified

Chapter
6. Diseases of the nervous system
Category
G89
Effective date
October 1, 2026

Related codes in category G89

Frequently asked questions

What is ICD-10 code G89.1?

G89.1 is an ICD-10-CM diagnosis code for Acute pain, not elsewhere classified.

Is G89.1 a billable code?

No. G89.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is G89.1 in?

G89.1 falls under Chapter 6: Diseases of the nervous system.

When did G89.1 become effective?

G89.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G89.1?

G89.1 belongs to category G89, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.