http://www.va.gov/elig/page.cfm?pg=1
What are the Priority Groups?
Once you apply for enrollment, your eligibility will be verified. Based on your specific eligibility status, you will be assigned a priority group.
The priority groups are as follows, ranging from 1-7 with 1 being the highest priority for enrollment. Under the Medical Benefits Package, the same services are generally available to all enrolled veterans.
Priority Group 1
Veterans with service-connected disabilities rated 50% or more
Priority Group 2
Veterans with service-connected disabilities rated 30% or 40%
Priority Group 3
Veterans who are former POWs
Veterans with service-connected disabilities rated 10% or 20%
Veterans discharged from active duty for a disability incurred or aggravated in the line of duty
Veterans who received the Purple Heart
Veterans awarded special eligibility classification under 38 U.S.C., Section 1151, "benefits for individuals disabled by treatment or vocational rehabilitation"
Priority Group 4
Veterans who are receiving aid and attendance or housebound benefits
Veterans who have been determined by VA to be catastrophically disabled
Priority Group 5
Nonservice-connected veterans and noncompensable service-connected veterans rated 0% disabled, whose annual income and net worth are below the established dollar thresholds
Priority Group 6
All other eligible veterans who are not required to make copayments for their care, including:
World War I and Mexican Border War veterans
Veterans seeking care solely for disorders associated with: exposure to herbicides while serving in Vietnam; or exposure to ionizing radiation during atmospheric testing or during the occupation of Hiroshima and Nagasaki; or for disorders associated with service in the Gulf War; or for any illness associated with service in combat in a war after the Gulf War or during a period of hostility after November 11, 1998
Compensable 0% service-connected veterans
Priority Group 7
Nonservice-connected veterans and noncompensable 0% service-connected veterans with income and net worth above the established dollar thresholds and who agree to pay specified copayments