E11
Header — not billableType 2 diabetes mellitus
The ICD-10 code for type 2 diabetes mellitus is E11.
E11 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- 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.-)
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- diabetes (mellitus) due to insulin secretory defect
- diabetes NOS
- insulin resistant diabetes (mellitus)
Use additional code
This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under E11
- E11.0Type 2 diabetes mellitus with hyperosmolaritynon-billable header
- E11.1Type 2 diabetes mellitus with ketoacidosisnon-billable header
- E11.2Type 2 diabetes mellitus with kidney complicationsnon-billable header
- E11.3Type 2 diabetes mellitus with ophthalmic complicationsnon-billable header
- E11.4Type 2 diabetes mellitus with neurological complicationsnon-billable header
- E11.5Type 2 diabetes mellitus with circulatory complicationsnon-billable header
- E11.6Type 2 diabetes mellitus with other specified complicationsnon-billable 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