G89.2 Chronic pain, not elsewhere classified

The ICD-10-CM code for Chronic pain, not elsewhere classified is G89.2 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

G89-G99: Other disorders of the nervous system (G89-G99)

Category G89

13 codes (10 billable)

FY2026 Status

Stable since FY2024

Official Coding Guidelines

Chronic pain (G89.2)

Chronic pain is classified to subcategory G89.2. There is no time frame defining when pain becomes chronic pain. The provider’s documentation should be used to guide use of these codes.

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool