G73.1 – Lambert-Eaton syndrome in neoplastic disease

ICD-10-CM 2027 diagnosis code · Diseases of myoneural junction and muscle

Billable code

ICD-10-CM code G73.1
Code
G73.1 (claims format: G731)
Description
Lambert-Eaton syndrome 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
G70-G73 Diseases of myoneural junction and muscle
Parent codes
G73

Notes for G73.1

Excludes1 (not coded here):
  • Lambert-Eaton syndrome not associated with neoplasm (G70.80-G70.81)
Code first:

Index terms for G73.1

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

Related codes in G73

Frequently asked questions

What is ICD-10 code G73.1?

G73.1 is the ICD-10-CM code for lambert-Eaton syndrome in neoplastic disease, in the block G70-G73 (Diseases of myoneural junction and muscle).

Is G73.1 a billable code?

Yes. G73.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G73.1 belong to?

It belongs to category G73 – Disorders of myoneural junction and muscle 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.