ICD-10-CM Alphabetic Index · FY 2026 6 Entries
Myelodysplastic syndrome in the ICD-10-CM Index ICD-10-CM
The main term Myelodysplastic syndrome carries 6 index entries pointing to 3 ICD-10-CM codes. The default entry is D46.9, 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
6
Index Entries
3
Codes Referenced
D46.9
Default Code
M
Letter
6 of 6 shown
ICD-10-CM
Index Entries Under Myelodysplastic syndrome 6 entries · 3 codes
Myelodysplastic syndrome D46.9
with
5q deletion D46.C
isolated del (5q) chromosomal abnormality D46.C
pancytopenia, acquired see Syndrome, myelodysplastic, pancytopenia
specified NEC D46.Z
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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.
