ICD-10-CM Alphabetic Index · FY 2026 6 Entries

Hyperinsulinism in the ICD-10-CM Index ICD-10-CM

The main term Hyperinsulinism (functional) carries 6 index entries pointing to 2 ICD-10-CM codes. The default entry is E16.1, 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

Index Entries

Codes Referenced

E16.1

Default Code

Letter

6 of 6 shown

ICD-10-CM

Index Entries Under Hyperinsulinism 6 entries · 2 codes

Hyperinsulinism (functional) E16.1

with

coma (hypoglycemic) E15

encephalopathy E16.1

ectopic E16.1

therapeutic misadventure (from administration of insulin)

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Related Index Terms

All index terms starting with H Index to Diseases and Injuries ICD-10-CM Code Lookup

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.