ICD-10-CM G35 is the diagnosis code for Multiple sclerosis. This code falls under the section "Demyelinating diseases of the central nervous system" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where G35 sits in the ICD-10-CM classification helps ensure proper coding:
No, G35 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
G35 is the ICD-10-CM diagnosis code for "Multiple sclerosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
G35 is located in Section G35-G37 — "Demyelinating diseases of the central nervous system" within Chapter 6 of the ICD-10-CM Tabular List.
G35 has 4 sub-code(s) that provide more specific detail: G35.A, G35.B, G35.C, G35.D.
Use G35 when the patients documented diagnosis matches "Multiple sclerosis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Multiple sclerosis is G35.
No, G35 is non-billable. Use a more specific sub-code for primary diagnosis billing.
G35 is in Chapter 6 of the ICD-10-CM Tabular List.
Yes, G35 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.