ICD-10-CM Alphabetic Index · FY 2026 8 Entries
Mosaicism in the ICD-10-CM Index ICD-10-CM
The main term Mosaicism, mosaic (autosomal) (chromosomal) carries 8 index entries pointing to 5 ICD-10-CM codes. 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
8
Index Entries
5
Codes Referenced
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Default Code
M
Letter
8 of 8 shown
ICD-10-CM
Index Entries Under Mosaicism 8 entries · 5 codes
Mosaicism, mosaic (autosomal) (chromosomal)
45,X/other cell lines NEC with abnormal sex chromosome Q96.4
45,X/46,XX Q96.3
sex chromosome
female Q97.8
lines with various numbers of X chromosomes Q97.2
male Q98.7
XY Q96.3
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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.
