E16.1

ICD-10Billable

Other hypoglycemia

Official ICD-10-CM descriptor (FY2026)

Other hypoglycemia

E16.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Functional hyperinsulinism
  • Functional nonhyperinsulinemic hypoglycemia
  • Hyperinsulinism NOS
  • Hyperplasia of pancreatic islet beta cells NOS

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • diabetes with hypoglycemia (E08.649, E10.649, E11.649, E13.649)
  • hypoglycemia in infant of diabetic mother (P70.1)
  • neonatal hypoglycemia (P70.4)

Use additional code

Report an additional code to identify the associated condition.

  • code for hypoglycemia level, if applicable (E16.A-)

Related codes in E16

Where this code sits

Parent code
E16

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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