E16.A1Billable
Hypoglycemia level 1
- Chapter
- 4. Endocrine, nutritional and metabolic diseases
- Category
- E16
- Effective date
- October 1, 2026
Related codes in category E16
E16Other disorders of pancreatic internal secretionE16.0Drug-induced hypoglycemia without comaYesE16.1Other hypoglycemiaYesE16.2Hypoglycemia, unspecifiedYesE16.3Increased secretion of glucagonYesE16.4Increased secretion of gastrinYesE16.8Other specified disorders of pancreatic internal secretionYesE16.9Disorder of pancreatic internal secretion, unspecifiedYesE16.AHypoglycemia levelE16.A2Hypoglycemia level 2YesE16.A3Hypoglycemia level 3Yes
Frequently asked questions
What is ICD-10 code E16.A1?
E16.A1 is an ICD-10-CM diagnosis code for Hypoglycemia level 1.
Is E16.A1 a billable code?
Yes. E16.A1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is E16.A1 in?
E16.A1 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E16.A1 become effective?
E16.A1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to E16.A1?
E16.A1 belongs to category E16, which includes 11 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.