Is G35.B a billable code?
No. G35.B is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
G35.B: Primary progressive multiple sclerosis
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
G35.B groups related diagnoses under primary progressive multiple sclerosis. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under G35.B
- G35.B0Primary progressive multiple sclerosis, unspecified
- G35.B1Active primary progressive multiple sclerosis
- G35.B2Non-active primary progressive multiple sclerosis
Other codes in G35 Multiple sclerosis
G35.B questions
What does G35.B mean?
G35.B is the ICD-10-CM code for Primary progressive multiple sclerosis. 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.