G73.3
Billable codeMyasthenic syndromes in other diseases classified elsewhere
The ICD-10 code for myasthenic syndromes in other diseases classified elsewhere is G73.3.
Clinical notes
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- G73.1Lambert-Eaton syndrome in neoplastic disease
- G73.7Myopathy in diseases classified elsewhere
- G73.3Myasthenic syndromes in other diseases classified elsewhere
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 3581
Associated MS-DRGs
G73.3 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.