G73.1

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Lambert-Eaton syndrome in neoplastic disease

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

Instructional Notes

Excludes1(Not coded here)
  • Lambert-Eaton syndrome not associated with neoplasm (G70.80-G70.81)
Code First
General instructions are available for the parent sections:
View CH6 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G70-G73Diseases of myoneural junction and muscle (G70-G73)
G73Disorders of myoneural junction and muscle in diseases classified elsewhere
G73.1Lambert-Eaton syndrome in neoplastic disease

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G73.1:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G73.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths
Syndrome1 unique routes
Lambert-Eaton
in
neoplastic disease→G73.1

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 056
Degenerative Nervous System Disorders with MCC
DRG 057
Degenerative Nervous System Disorders without MCC

Cross Reference

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