E16.1

Other hypoglycemia

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · E16.1

Excludes 1

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

Synonyms

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

Inherited from chapter 4Endocrine, nutritional and metabolic diseases

Excludes 1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Note

All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Official Guidelines for E16.1

FY 2026 ›

I.C.4Chapter-specific guidanceChapter 4: Endocrine, Nutritional, and Metabolic Diseases (E00-E89)

Subsections

Find E16.1 in the alphabetic index

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