ICD-10 Code G35.C – Secondary progressive multiple sclerosis (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Secondary progressive multiple sclerosis is G35.C.2026 ICD-10-CM Diagnosis Code G35.C – Secondary progressive multiple sclerosis Related ICD-10 Codes Parent code: G35 – Multiple sclerosis What it is Use this code for multiple sclerosis that has entered a secondary progressive phase after an earlier relapsing course. It indicates ongoing neurologic worsening, with…