Is E11.59 a billable ICD-10-CM code?

Yes. E11.59 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E11.59 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Diabetes mellitus (E08-E13).

What cannot be coded together with E11.59?

E11.59 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E11.59 (E11) and apply to it just the same.

E11.59

E11.59 — Type 2 diabetes mellitus with other circulatory complications

Billable / specific codeICD-10-CM

E11.59 is a billable, specific ICD-10-CM code for type 2 diabetes mellitus with other circulatory complications. It is valid for submission on a claim.

Excludes1 inherited from the categories above E11.59

These are not written on E11.59, but they bind it: a note on a category applies to every code beneath it. Billing E11.59 with anything listed here is a denial.

Written on E11 — Type 2 diabetes mellitus

diabetes mellitus due to underlying condition (E08.-)
drug or chemical induced diabetes mellitus (E09.-)
gestational diabetes (O24.4-)
neonatal diabetes mellitus (P70.2)
postpancreatectomy diabetes mellitus (E13.-)
postprocedural diabetes mellitus (E13.-)
secondary diabetes mellitus NEC (E13.-)
type 1 diabetes mellitus (E10.-)

Other codes that can never be billed with E11.59

These codes carry an Excludes1 note pointing at E11.59. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading E11.59 alone.

E10Type 1 diabetes mellitus
E09Drug or chemical induced diabetes mellitus
E08Diabetes mellitus due to underlying condition

Risk adjustment

E11.59 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 37 Diabetes with Chronic Complications0.166 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

E11.59 is named in 44 Medicare coverage policies — 44 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52464Glucose Monitor - Policy Article
A52501Therapeutic Shoes for Persons with Diabetes - Policy Article
A52507External Infusion Pumps - Policy Article
A52996Billing and Coding: Routine Foot Care

How E11.59 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E11.59.

Diabetes, diabetic›with›circulatory complication NEC
Diabetes, diabetic›type 2›with›circulatory complication NEC

There’s a guided path to this code

Not sure E11.59 is the right one? Answer a few questions about what the chart documents and we’ll walk you to the code that follows from it.

Type 2 diabetes: chart note to code

The condition this code belongs to

Every code for the condition on one page, which one applies when, and the mistake coders make with it.

Type 2 diabetes ICD-10 codes

Code history

E11.59 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share E11.5. If E11.59 is not quite right, the correct code is usually one of these.

Questions about E11.59

Is E11.59 a billable ICD-10-CM code?: Yes. E11.59 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E11.59 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Diabetes mellitus (E08-E13).
What cannot be coded together with E11.59?: E11.59 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E11.59 (E11) and apply to it just the same.