Diabetes is one of the most consequential ratings in the VA system, not because of the percentage assigned for the disease itself, but because of what comes with it. A veteran service connected for diabetes is positioned to claim a set of complications that are separately evaluated and that frequently exceed the diabetes rating.
This guide explains how Diagnostic Code 7913 works, where the schedule draws its lines, which complications are separately compensable, and what the record must document.
Service connection: the presumptive route
Type 2 diabetes mellitus is included in the list of diseases at 38 CFR 3.309(e) that the VA presumes to be associated with herbicide exposure. For veterans whose service meets the locational and time requirements, the nexus element is satisfied by regulation. The veteran must still establish a current diagnosis and qualifying service.
Recent legislation expanded the locations that qualify for a presumption of herbicide exposure. Veterans who were previously denied on the basis that their service location did not qualify should check the current list rather than assume the prior answer still applies.
Service connection: direct and secondary routes
Where no presumption applies, the ordinary elements of 38 CFR 3.303 govern: a current diagnosis, an in-service event or exposure, and a medical link. Elevated glucose readings during service, a documented diagnosis of prediabetes, or treatment for metabolic issues in the service treatment records are the anchor points these claims are built on.
Secondary service connection under 38 CFR 3.310 is also available and is underused. Medications prescribed long-term for service-connected conditions - including certain psychiatric medications with documented metabolic effects - and service-connected conditions that substantially limit physical activity are both recognized contributors. As with all secondary claims, the opinion has to explain the mechanism specifically.
How Diagnostic Code 7913 is structured
The evaluations are cumulative - each higher level generally requires everything below it plus something more:
- 10 percent - manageable by restricted diet only
- 20 percent - requiring insulin and a restricted diet, or an oral hypoglycemic agent and a restricted diet
- 40 percent - requiring insulin, a restricted diet, and regulation of activities
- 60 percent - the 40 percent requirements plus episodes of ketoacidosis or hypoglycemic reactions requiring one or two hospitalizations per year or twice-monthly visits to a diabetic care provider, plus complications that would not be compensable if separately evaluated
- 100 percent - more frequent episodes and visits, progressive loss of weight and strength, or complications that would be compensable if separately evaluated
The 40 percent threshold is where most claims stop
The step from 20 to 40 percent turns entirely on regulation of activities, and the VA reads that phrase narrowly. It means a medical provider has determined that the veteran must avoid strenuous occupational and recreational activities in order to control the disease.
A veteran who has cut back on exertion because it is uncomfortable does not meet the criterion. A veteran whose endocrinologist has written in the chart that strenuous activity must be avoided to prevent hypoglycemic episodes does. The difference is a sentence in a treatment note, and veterans who do not know the criterion exists never think to raise it at an appointment.
This is worth discussing directly with the treating provider. If activity truly is medically restricted, it should be documented as such - not as general lifestyle advice.
Where veterans start
Every case is different, and there is no obligation at any step. When veterans want to understand what their records actually support, these are the two most common starting points:
- Medical records review
A licensed physician reviews your records for a $250 flat fee and identifies which conditions the available evidence may support. The fee is refunded in full if nothing supportable is identified.
- Nexus letter
When the records support one, a licensed provider writes the medical opinion that addresses the link between your digestive or endocrine condition and your service or an already service-connected disability.
Complications are rated separately
Diagnostic Code 7913 provides that compensable complications of diabetes are evaluated separately unless they are used to support a 100 percent evaluation. In practice this is where the majority of a diabetic veteran's combined evaluation comes from:
- Diabetic peripheral neuropathy - evaluated under the neurological codes for the affected nerves, separately for each extremity, and frequently the largest single component
- Diabetic retinopathy and other eye involvement - evaluated under the criteria for impairment of vision
- Diabetic nephropathy - evaluated under the genitourinary criteria for renal dysfunction
- Erectile dysfunction - commonly associated, and potentially qualifying for special monthly compensation for loss of use of a creative organ
- Skin and circulatory complications, including diabetic ulcers and peripheral vascular disease
Where diabetes connects to other claims
Diabetes is also a recognized contributor to conditions veterans claim separately. Its relationship to blood pressure is addressed in hypertension secondary to diabetes and across our hypertension series. Metabolic disease and sleep-disordered breathing frequently coexist, which connects to our sleep apnea series.
Where a veteran also carries a thyroid diagnosis, the endocrine picture is worth developing together - see hypothyroidism and thyroid VA ratings.
What the record has to show
For the diabetes evaluation itself: the diagnosis and date, laboratory values over time, the full medication regimen including insulin type and dosing, documentation of any restricted diet, and - for 40 percent and above - an explicit clinical statement restricting activity.
For the complications: a separate diagnosis for each, with the objective findings the relevant diagnostic code requires. Neuropathy, in particular, is frequently described in the record as numbness without any examination identifying the nerves involved or the severity, which leaves a rater without the information the criteria call for.
Our evidence guide for these claims walks through how a reviewer reads the file.
Where veterans start
Diabetic claims reward careful reading of an existing record more than almost any other condition, because the complications are often already documented and simply never claimed. A paid medical records review is where that assessment happens, with the fee refunded in full if nothing supportable is identified.
Frequently asked questions
What VA rating is given for type 2 diabetes?
Diabetes mellitus is rated under Diagnostic Code 7913 at 10, 20, 40, 60, or 100 percent. The level depends on whether the condition is managed by restricted diet alone, requires insulin or oral medication, requires regulation of activities, and whether documented episodes of ketoacidosis or hypoglycemic reactions have required care.
Is diabetes presumptive for Agent Orange?
Type 2 diabetes mellitus is on the VA's list of conditions presumptively associated with herbicide exposure. Veterans with qualifying service still need a current diagnosis, but they do not need to prove a medical nexus.
Are diabetic complications rated separately?
Yes. Diagnostic Code 7913 directs that compensable complications are evaluated separately unless they are part of the criteria used to support a 100 percent evaluation. Peripheral neuropathy, retinopathy, and kidney disease are commonly rated on their own.
What does regulation of activities mean?
It refers to a medical requirement that the veteran avoid strenuous occupational and recreational activities in order to control the disease. It is a clinician's documented restriction, not a veteran's own decision to limit exertion, and it is required for evaluations of 40 percent and above.