G13.1 – Other systemic atrophy primarily affecting central nervous system in neoplastic disease

ICD-10-CM 2027 diagnosis code · Systemic atrophies primarily affecting the central nervous system

Billable code

ICD-10-CM code G13.1

Code: G13.1 (claims format: G131)
Description: Other systemic atrophy primarily affecting central nervous system in neoplastic disease
Short description: Oth systemic atrophy aff cnsl in neoplastic disease
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 6. Diseases of the nervous system (G00-G99)
Block: G10-G14 Systemic atrophies primarily affecting the central nervous system
Parent codes: G13

Notes for G13.1

Applicable to:

Paraneoplastic limbic encephalopathy

Code first:

underlying neoplasm (C00-D49)

Index terms for G13.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in G13

Frequently asked questions

What is ICD-10 code G13.1?

G13.1 is the ICD-10-CM code for other systemic atrophy primarily affecting central nervous system in neoplastic disease, in the block G10-G14 (Systemic atrophies primarily affecting the central nervous system).

Is G13.1 a billable code?

Yes. G13.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G13.1 belong to?

It belongs to category G13 – Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.