ICD-10-CM Alphabetic Index · FY 2026 16 Entries
Leukoencephalopathy in the ICD-10-CM Index ICD-10-CM
The main term Leukoencephalopathy carries 16 index entries pointing to 12 ICD-10-CM codes. The default entry is G93.49, 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
16
Index Entries
12
Codes Referenced
G93.49
Default Code
L
Letter
16 of 16 shown
ICD-10-CM
Index Entries Under Leukoencephalopathy 16 entries · 12 codes
Leukoencephalopathy G93.49
with
brainstem - spinal cord involvement - lactate elevation E88.43
calcifications and cysts G93.43
thalamus - brainstem involvement - high lactate E88.43
adult-onset, with axonal spheroids (and pigmented glia) G93.44
Binswanger's I67.3
heroin vapor G92.8
megalencephalic, with subcortical cysts G93.42
metachromatic E75.25
multifocal (progressive) A81.2
postimmunization and postvaccinal G04.02
progressive multifocal A81.2
reversible, posterior G93.6
van Bogaert's (sclerosing) A81.1
vascular, progressive I67.3
The info icon previews the code's description and billable status; the code link opens its full page with all notations.
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.
