G73.1 ICD-10-CM Code: Lambert-Eaton syndrome in neoplastic disease
G73.1 is the billable ICD-10-CM code for “Lambert-Eaton syndrome in neoplastic disease” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
G73.1Lambert-Eaton syndrome in neoplastic disease
ICD-10-CM diagnosis code · United States clinical modification
Where G73.1 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Diseases of myoneural junction and muscle (G70-G73)
- 3
Category G73
Disorders of myoneural junction and muscle in diseases classified elsewhere
- 4
Code G73.1
Lambert-Eaton syndrome in neoplastic disease
Notes for this code
Inclusion terms
No inclusion terms are listed for G73.1.
Code first
- underlying neoplasm (C00-D49)
Use additional code
No “use additional code” instruction is listed for G73.1.
Excludes1
Conditions that should not be reported together with this code.
- Lambert-Eaton syndrome not associated with neoplasm (G70.80-G70.81)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G73.1.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code G73.1 mean?
G73.1 is the FY 2027 U.S. ICD-10-CM code for “Lambert-Eaton syndrome in neoplastic disease.”
Is G73.1 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, G73.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is G73.1 located in ICD-10-CM?
G73.1 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Diseases of myoneural junction and muscle (G70-G73) (G70–G73), under category G73, Disorders of myoneural junction and muscle in diseases classified elsewhere.
What coding notes are listed for G73.1?
No inclusion terms are listed for G73.1 in this reference record. Code-first instructions: underlying neoplasm (C00-D49). Excludes1 notes: Lambert-Eaton syndrome not associated with neoplasm (G70.80-G70.81). No Excludes2 note is listed.