---
title: "ICD-10-CM E10.40: Type 1 diabetes mellitus with diabetic… | BillingBrief"
description: "ICD-10-CM code E10.40: Type 1 diabetes mellitus with diabetic neuropathy, unspecified. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/e10.40/"
language: "en"
---

# E10.40 Type 1 diabetes mellitus with diabetic neuropathy, unspecified

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Type 1 diabetes mellitus with diabetic neuropathy, unspecified

## Related codes

-   [`E10.10` Type 1 diabetes mellitus with ketoacidosis without coma ICD-10-CM](https://billingbrief.com/icd10/e10.10/)
-   [`E10.11` Type 1 diabetes mellitus with ketoacidosis with coma ICD-10-CM](https://billingbrief.com/icd10/e10.11/)
-   [`E10.21` Type 1 diabetes mellitus with diabetic nephropathy ICD-10-CM](https://billingbrief.com/icd10/e10.21/)
-   [`E10.22` Type 1 diabetes mellitus with diabetic chronic kidney disease ICD-10-CM](https://billingbrief.com/icd10/e10.22/)
-   [`E10.29` Type 1 diabetes mellitus with other diabetic kidney complication ICD-10-CM](https://billingbrief.com/icd10/e10.29/)
-   [`E10.311` Type 1 diabetes mellitus with unspecified diabetic retinopathy with macular edema ICD-10-CM](https://billingbrief.com/icd10/e10.311/)
-   [`E10.319` Type 1 diabetes mellitus with unspecified diabetic retinopathy without macular edema ICD-10-CM](https://billingbrief.com/icd10/e10.319/)
-   [`E10.3211` Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular… ICD-10-CM](https://billingbrief.com/icd10/e10.3211/)

## Common questions

### Is E10.40 a billable code?

Yes. E10.40 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

E10 Type 1 diabetes mellitus

Chapter

Endocrine, nutritional and metabolic diseases

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).