G13.1
Billable codeOther systemic atrophy primarily affecting central nervous system in neoplastic disease
The ICD-10 code for other systemic atrophy primarily affecting central nervous system in neoplastic disease is G13.1.
Clinical notes
Code first
This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Paraneoplastic limbic encephalopathy
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G13.0Paraneoplastic neuromyopathy and neuropathy
- G13.2Systemic atrophy primarily affecting the central nervous system in myxedema
- G13.8Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere
- G13.1Other systemic atrophy primarily affecting central nervous system in neoplastic disease
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 3573Approximate match
Associated MS-DRGs
G13.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.