ICD-10-CM FY2027 diagnosis code

G56.9: Unspecified mononeuropathy of upper limb

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

G56.9 groups related diagnoses under unspecified mononeuropathy of upper limb. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under G56.9

G56.9 questions

Is G56.9 a billable code?

No. G56.9 is a header code that groups 4 more specific codes. Use one of the billable codes listed on this page instead.

What does G56.9 mean?

G56.9 is the ICD-10-CM code for Unspecified mononeuropathy of upper limb. It is in chapter 6, Diseases of the nervous system (G00-G99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.