G13
G13: Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere
Non-billable headerICD-10-CM
G13 is a non-billable header ICD-10-CM code for systemic atrophies primarily affecting central nervous system in diseases classified elsewhere. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with G13
Their own Excludes1 notes name this code, so the conflict is not listed above.
- G32.81Cerebellar ataxia in diseases classified elsewhere
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead G13
4 child codes. Green means billable.
- 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