G35.B0 – Primary progressive multiple sclerosis, unspecified
ICD-10-CM 2027 diagnosis code · Demyelinating diseases of the central nervous system
ICD-10-CM code
G35.B0
- Code
G35.B0(claims format:G35B0)- Description
- Primary progressive multiple sclerosis, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G35-G37 Demyelinating diseases of the central nervous system
- Parent codes
- G35 › G35.B
Index terms for G35.B0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in G35.B
Frequently asked questions
What is ICD-10 code G35.B0?
G35.B0 is the ICD-10-CM code for primary progressive multiple sclerosis, unspecified, in the block G35-G37 (Demyelinating diseases of the central nervous system).
Is G35.B0 a billable code?
Yes. G35.B0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G35.B0 belong to?
It belongs to category G35 – Multiple sclerosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.