E11.8 is the authoritative medical code for Type 2 diabetes mellitus with unspecified complications. This classification is used in medical billing and clinical recording to specify the clinical criteria for type 2 diabetes mellitus with unspecified complications (ICD-10-CM E11.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Type 2 diabetes mellitus with unspecified complications is a billable ICD-10-CM diagnosis code E11.8. Includes: diabetes mellitus due to insulin secretory defect; diabetes NOS; insulin resistant diabetes mellitus. Excludes1 (not coded here): 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: code to identify control using:; injectable non-insulin antidiabetic drugs Z79.85; insulin Z79.4; oral antidiabetic drugs Z79.84; oral hypoglycemic drugs Z79.84.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for E11.8 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- diabetes mellitus due to insulin secretory defect
- diabetes NOS
- insulin resistant diabetes mellitus
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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
Supplementary codes the tabular list directs you to add.
- code to identify control using:
- injectable non-insulin antidiabetic drugs Z79.85
- insulin Z79.4
- oral antidiabetic drugs Z79.84
- oral hypoglycemic drugs Z79.84
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with E11.8?
Per Excludes1 instructions, E11.8 must not be reported with: diabetes mellitus due to underlying condition (E08.-); drug or chemical induced diabetes mellitus (E09.-); gestational diabetes (O24.4-); neonatal diabetes mellitus (P70.2).
Is an additional code needed with E11.8?
Use additional code(s) to specify: code to identify control using:; injectable non-insulin antidiabetic drugs (Z79.85); insulin (Z79.4); oral antidiabetic drugs (Z79.84).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as E11.8, with their registry titles.
- E11 — Type 2 diabetes mellitus
- E11.0 — Type 2 diabetes mellitus with hyperosmolarity
- E11.01 — Type 2 diabetes mellitus with hyperosmolarity with coma
- E11.1 — Type 2 diabetes mellitus with ketoacidosis
- E11.10 — Type 2 diabetes mellitus with ketoacidosis without coma
- E11.11 — Type 2 diabetes mellitus with ketoacidosis with coma
- E11.2 — Type 2 diabetes mellitus with kidney complications
- E11.21 — Type 2 diabetes mellitus with diabetic nephropathy
- E11.22 — Type 2 diabetes mellitus with diabetic chronic kidney disease
- E11.29 — Type 2 diabetes mellitus with other diabetic kidney complication
- E11.3 — Type 2 diabetes mellitus with ophthalmic complications
- E11.31 — Type 2 diabetes mellitus with unspecified diabetic retinopathy
- E11.311 — Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edema
- E11.319 — Type 2 diabetes mellitus with unspecified diabetic retinopathy without macular edema
- E11.32 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy
- E11.321 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema
- E11.3211 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, right eye
- E11.3212 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, left eye
- E11.3213 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, bilateral
- E11.3219 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema, unspecified eye
- E11.329 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema
- E11.3291 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, right eye
- E11.3292 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, left eye
- E11.3293 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateral
- E11.3299 — Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, unspecified eye
- E11.33 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy
- E11.331 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema
- E11.3311 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, right eye
- E11.3312 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, left eye
- E11.3313 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, bilateral
- E11.3319 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edema, unspecified eye
- E11.339 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema
- E11.3391 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, right eye
- E11.3392 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, left eye
- E11.3393 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, bilateral
- E11.3399 — Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema, unspecified eye
- E11.34 — Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy
- E11.341 — Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema
- E11.3411 — Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, right eye
- E11.3412 — Type 2 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edema, left eye
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Diabetes, diabetic (mellitus) (sugar), type 2, with, complication
- Diabetes, diabetic (mellitus) (sugar), with, complication
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code E08.8
Diabetes mellitus due to underlying condition with unspecified complications
ICD Code E09.8
Drug or chemical induced diabetes mellitus with unspecified complications
ICD Code E10.8
Type 1 diabetes mellitus with unspecified complications
ICD Code E13.8
Other specified diabetes mellitus with unspecified complications
ICD Code E16.8
Other specified disorders of pancreatic internal secretion