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E16.2 — Hypoglycemia, unspecified
E16.2
What this code means
Hypoglycaemia means abnormally low blood glucose, causing sweating, shaking, confusion and, if severe, collapse.
Also called: hypoglycemia, low blood sugar.
When this code is used
Used for hypoglycaemia when the cause is not specified.
Where it sits in ICD-10-CM
Code E16.2 belongs to Chapter 4: Endocrine, nutritional and metabolic diseases, which covers codes E00–E89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code E16.2?
E16.2 is the ICD-10-CM diagnosis code for “Hypoglycemia, unspecified”. Hypoglycaemia means abnormally low blood glucose, causing sweating, shaking, confusion and, if severe, collapse.
When is code E16.2 used?
Used for hypoglycaemia when the cause is not specified. It belongs to Chapter 4 of ICD-10-CM (Endocrine, nutritional and metabolic diseases).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.