E16.A1
✓ Billable
Hypoglycemia level 1
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E16.A1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Endocrine, Nutritional and Metabolic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code E16.A1?
ICD-10-CM code E16.A1 represents Hypoglycemia level 1. It is a billable diagnosis code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E16.A1 billable?
Yes. E16.A1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is E16.A1 in?
E16.A1 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E16 category
E16
Other disorders of pancreatic internal secretion
Non-billable
E16.0
Drug-induced hypoglycemia without coma
Billable
E16.1
Other hypoglycemia
Billable
E16.2
Hypoglycemia, unspecified
Billable
E16.3
Increased secretion of glucagon
Billable
E16.4
Increased secretion of gastrin
Billable
E16.8
Other specified disorders of pancreatic internal secretion
Billable
E16.9
Disorder of pancreatic internal secretion, unspecified
Billable
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