G35.C ICD-10-CM Code: Secondary progressive multiple sclerosis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
G35.CSecondary progressive multiple sclerosis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where G35.C sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Demyelinating diseases of the central nervous system (G35-G37)
- 3
Category G35
Multiple sclerosis
- 4
Code G35.C
Secondary progressive multiple sclerosis
More specific choices
Codes under G35.C
G35.C is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for G35.C.
Code first
No “code first” instruction is listed for G35.C.
Use additional code
No “use additional code” instruction is listed for G35.C.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for G35.C.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G35.C.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code G35.C mean?
G35.C is the FY 2027 U.S. ICD-10-CM code for “Secondary progressive multiple sclerosis.”
Is G35.C a billable or specific ICD-10-CM code?
No. G35.C has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is G35.C located in ICD-10-CM?
G35.C is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Demyelinating diseases of the central nervous system (G35-G37) (G35–G37), under category G35, Multiple sclerosis.
What coding notes are listed for G35.C?
No inclusion terms are listed for G35.C in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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