G13 ICD-10-CM Code: Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
G13Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where G13 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Systemic atrophies primarily affecting the central nervous system (G10-G14)
- 3
Category G13
Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
- 4
Code G13
Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
More specific choices
Codes under G13
G13 is a non-billable category. Choose the child code that best matches the documented diagnosis.
G13.0Paraneoplastic neuromyopathy and neuropathy
G13.1Other systemic atrophy primarily affecting central nervous system in neoplastic disease
G13.2Systemic atrophy primarily affecting the central nervous system in myxedema
G13.8Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for G13.
Code first
No “code first” instruction is listed for G13.
Use additional code
No “use additional code” instruction is listed for G13.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for G13.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G13.
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 G13 mean?
G13 is the FY 2027 U.S. ICD-10-CM code for “Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere.”
Is G13 a billable or specific ICD-10-CM code?
No. G13 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 G13 located in ICD-10-CM?
G13 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Systemic atrophies primarily affecting the central nervous system (G10-G14) (G10–G14), under category G13, Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere.
What coding notes are listed for G13?
No inclusion terms are listed for G13 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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