ICD-10-CM Alphabetic Index · FY 2026 19 Entries
Myasthenia in the ICD-10-CM Index ICD-10-CM
The main term Myasthenia carries 19 index entries pointing to 10 ICD-10-CM codes. The default entry is G70.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
19
Index Entries
10
Codes Referenced
G70.9
Default Code
M
Letter
19 of 19 shown
ICD-10-CM
Index Entries Under Myasthenia 19 entries · 10 codes
Myasthenia G70.9
congenital G70.2
cordis see Failure, heart
developmental G70.2
gravis G70.00
with exacerbation (acute) G70.01
in crisis G70.01
neonatal, transient P94.0
pseudoparalytica G70.00
with exacerbation (acute) G70.01
in crisis G70.01
stomach, psychogenic F45.8
syndrome
in
diabetes mellitus see E08-E13 with .44
neoplastic disease D49.9 see also Neoplasm
pernicious anemia D51.0
thyrotoxicosis E05.90
with thyroid storm E05.91
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
