E11 — Type 2 diabetes mellitus
Not billable
Is E11 billable?
No — E11 is a non-billable header code. E11 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath E11.
Billable codes under this header
- E11.8Type 2 diabetes mellitus with unspecified complications
- E11.9Type 2 diabetes mellitus without complications
- E11.AType 2 diabetes mellitus without complications in remission
- E11.00Type 2 diabetes mellitus with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)
- E11.01Type 2 diabetes mellitus with hyperosmolarity with coma
- E11.10Type 2 diabetes mellitus with ketoacidosis without coma
- E11.11Type 2 diabetes mellitus with ketoacidosis with coma
- E11.21Type 2 diabetes mellitus with diabetic nephropathy
- E11.22Type 2 diabetes mellitus with diabetic chronic kidney disease
- E11.29Type 2 diabetes mellitus with other diabetic kidney complication
- E11.36Type 2 diabetes mellitus with diabetic cataract
- E11.39Type 2 diabetes mellitus with other diabetic ophthalmic complication
- E11.40Type 2 diabetes mellitus with diabetic neuropathy, unspecified
- E11.41Type 2 diabetes mellitus with diabetic mononeuropathy
- E11.42Type 2 diabetes mellitus with diabetic polyneuropathy
- E11.43Type 2 diabetes mellitus with diabetic autonomic (poly)neuropathy
- E11.44Type 2 diabetes mellitus with diabetic amyotrophy
- E11.49Type 2 diabetes mellitus with other diabetic neurological complication
- E11.51Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene
- E11.52Type 2 diabetes mellitus with diabetic peripheral angiopathy with gangrene
- E11.59Type 2 diabetes mellitus with other circulatory complications
- E11.65Type 2 diabetes mellitus with hyperglycemia
- E11.69Type 2 diabetes mellitus with other specified complication
- E11.311Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edema
- E11.319Type 2 diabetes mellitus with unspecified diabetic retinopathy without macular edema
- E11.37X1Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, right eye
- E11.37X2Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, left eye
- E11.37X3Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, bilateral
- E11.37X9Type 2 diabetes mellitus with diabetic macular edema, resolved following treatment, unspecified eye
- E11.610Type 2 diabetes mellitus with diabetic neuropathic arthropathy
- E11.618Type 2 diabetes mellitus with other diabetic arthropathy
- E11.620Type 2 diabetes mellitus with diabetic dermatitis
- E11.621Type 2 diabetes mellitus with foot ulcer
- E11.622Type 2 diabetes mellitus with other skin ulcer
- E11.628Type 2 diabetes mellitus with other skin complications
- E11.630Type 2 diabetes mellitus with periodontal disease
- E11.638Type 2 diabetes mellitus with other oral complications
- E11.641Type 2 diabetes mellitus with hypoglycemia with coma
- E11.649Type 2 diabetes mellitus with hypoglycemia without coma
- E11.3211Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, right eye
- E11.3212Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye
- E11.3213Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, bilateral
- E11.3219Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, unspecified eye
- E11.3291Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, right eye
- E11.3292Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, left eye
- E11.3293Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateral
- E11.3299Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, unspecified eye
- E11.3311Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eye
- E11.3312Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eye
- E11.3313Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateral
- E11.3319Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, unspecified eye
- E11.3391Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye
- E11.3392Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, left eye
- E11.3393Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, bilateral
- E11.3399Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, unspecified eye
- E11.3411Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, right eye
- E11.3412Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, left eye
- E11.3413Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, bilateral
- E11.3419Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, unspecified eye
- E11.3491Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edema, right eye
E11 at a glance
| Code | E11 |
|---|---|
| Description | Type 2 diabetes mellitus |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with E11 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- 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.-)
Use additional code
Report an additional code alongside E11 to fully describe the condition. E11 is sequenced first.
Includes
Conditions classified to E11.
- diabetes (mellitus) due to insulin secretory defect
- diabetes NOS
- insulin resistant diabetes (mellitus)
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E11 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
What codes fall under E11? (10)
- E11.0Type 2 diabetes mellitus with hyperosmolaritynot billable
- E11.1Type 2 diabetes mellitus with ketoacidosisnot billable
- E11.2Type 2 diabetes mellitus with kidney complicationsnot billable
- E11.3Type 2 diabetes mellitus with ophthalmic complicationsnot billable
- E11.4Type 2 diabetes mellitus with neurological complicationsnot billable
- E11.5Type 2 diabetes mellitus with circulatory complicationsnot billable
- E11.6Type 2 diabetes mellitus with other specified complicationsnot billable
- E11.8Type 2 diabetes mellitus with unspecified complications
- E11.9Type 2 diabetes mellitus without complications
- E11.AType 2 diabetes mellitus without complications in remission
How long has E11 existed?
E11 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with E11?
ICD-10-CM declares these codes mutually exclusive with E11 — exactly one of each pair can be correct for a given encounter.