G73.1

Billable

Lambert-Eaton syndrome in neoplastic disease

G73.1 is the ICD-10-CM code for Lambert-Eaton syndrome in neoplastic disease. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G73
Edition
FY2026

G00-G99 Diseases of the nervous system

What this means — in plain language

MedlinePlus · NIH

What are autoimmune diseases? Your immune system protects you from disease and infection by attacking germs that get into your body, such as viruses and bacteria. Your immune system can tell that the germs aren't part of you, so it destroys them. If you have an autoimmune disease, your immune system attacks the healthy cells of your organs and tissues by mistake. There are more than 80 types of autoimmune diseases.…

Read more about Autoimmune Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • Lambert-Eaton syndrome not associated with neoplasm (G70.80-G70.81)

Code first

  • underlying neoplasm (C00-D49)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

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". It falls under G00-G99 Diseases of the nervous system.
Is G73.1 a billable code?
Yes — G73.1 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from G73.1?
Excludes1 (not coded here): Lambert-Eaton syndrome not associated with neoplasm (G70.80-G70.81).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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