E11.311
Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edema
HCC risk adjustment mapping
CMS-HCC V28
Diabetes with Chronic Complications
Severe Diabetic Eye Disease, Retinal Vein Occlusion, and Vitreous Hemorrhage
CMS-HCC ESRD V24
Diabetes with Chronic Complications
RxHCC V08
Diabetes with Complications
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
diabetes (mellitus) due to insulin secretory defect diabetes NOS insulin resistant 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.-)
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Official Guidelines for E11.311
FY 2026 ›Subsections
Sections that reference E11.311
- I.C.4.a.1)(b)Type 2 diabetes mellitus in remission
Code E11.A, Type 2 diabetes mellitus without complications in remission, is assigned based on provider documentation that the diabetes …
- I.C.4.a.2)Type of diabetes mellitus not documented
If the type of diabetes mellitus is not documented in the medical record the default is E11.-, Type 2 diabetes mellitus.
- I.C.4.a.3)Diabetes mellitus and the use of insulin, oral hypoglycemics, and injectable non-insulin drugs
… documentation in a medical record does not indicate the type of diabetes but does indicate that the patient uses insulin, code E11-, Type 2 diabetes mellitus, should be assigned. …
- I.C.4.aDiabetes mellitus
… Assign as many codes from categories E08 – E13 as needed to identify all of the associated conditions that the patient has.
- I.C.15.gDiabetes mellitus in pregnancyChapter 15
… O24, Diabetes mellitus in pregnancy, childbirth, and the puerperium, first, followed by the appropriate diabetes code(s) (E08-E13) from Chapter 4.
Sections whose FY 2026 text names E11.311, its E11 category, or a range containing it — the chapter guidance above is the authoritative source.
Find E11.311 in the alphabetic index
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