📅 Last updated: April 2026

WIC Glossary — Terms and Definitions

A reference guide to common WIC program terminology, from federal regulations and official USDA FNS documentation.

Adjunct Eligibility: If your household already receives SNAP, Medicaid, or TANF, you automatically satisfy WIC's income requirement — no separate income documentation needed. The reasoning is that you've already had your income verified by another program. This is sometimes called "income adjunctive eligibility." It doesn't make you automatically eligible for WIC overall, but it removes the income documentation step from the process.
Cash Value Benefit (CVB): The produce portion of your WIC benefit, loaded as a dollar amount. Unlike the other WIC benefits (which are quantity-based — 1 dozen eggs, 2 gallons of milk), the CVB is flexible: spend it on any WIC-approved fruits and vegetables up to the dollar amount. Fresh, frozen, and canned produce all count. The amount varies by participant category and has increased significantly since WIC added the CVB as part of the 2009 food package revision.
Categorical Eligibility: The "who you are" part of WIC eligibility. To qualify, you must belong to one of five categories: pregnant women, postpartum women (up to 6 months after delivery), breastfeeding women (up to 12 months after delivery), infants (birth through 12 months), or children (ages 1 through the day before their fifth birthday). Men, children over age 4, and anyone outside these categories does not qualify regardless of income.
Certification Period: The period of time during which a WIC participant is determined eligible and receives benefits. Certification periods vary by participant category and typically range from 6 months to one year. At the end of a certification period, participants must be recertified to continue receiving benefits.
Contract Brand (Contract Formula): The infant formula brand covered by WIC in a given state. Each state runs a competitive bidding process in which one formula manufacturer wins a sole-source contract in exchange for significant rebates paid back to the state. That winning brand is what WIC covers. The contract brand changes from state to state — and can change within a state when a new contract is awarded. Never assume the brand covered in one state is the same one covered in another. Your WIC agency will tell you exactly which brand is covered and which sizes and forms (powder, concentrate, ready-to-feed) are included.
EBT (Electronic Benefits Transfer): The technology platform used to deliver WIC food benefits. WIC EBT cards work like debit cards at WIC-authorized stores. The WIC EBT system only allows the purchase of WIC-approved items in the approved quantities — it is separate from SNAP EBT.
Exempt Formula: A medically necessary formula for infants with specific dietary or medical conditions that cannot be addressed by the state's standard contract formula. Exempt formula requires medical justification from the infant's physician and approval from the WIC agency.
FNS (Food and Nutrition Service): The agency within the U.S. Department of Agriculture (USDA) that administers WIC and other federal nutrition assistance programs at the federal level. State WIC agencies operate under FNS oversight and federal regulations.
Food Package: The specific set of WIC-authorized food items allocated to a participant each month. Food packages are defined by USDA FNS and vary by participant category (e.g., the food package for a pregnant woman differs from the package for a fully formula-fed infant). See WIC Approved Foods.
FPL (Federal Poverty Level): The federal poverty guidelines published annually by the U.S. Department of Health and Human Services. WIC uses 185% of FPL as its income eligibility threshold. See WIC Income Limits.
Hemoglobin / Hematocrit: Blood tests used to screen for anemia, a common nutritional risk condition in WIC-eligible populations. These tests are typically conducted at WIC certification and recertification appointments using a fingerstick blood sample.
Local Agency: The clinic, health department, or organization that actually runs WIC appointments in your community. WIC is a federal program administered at the state level, but day-to-day operations happen through local agencies — the places you call to schedule appointments, where you go to certify, and where you pick up information about your benefits. Local agencies operate under contract with the state WIC agency and follow state and federal rules, but hours, locations, and specific services vary from one local agency to the next.
NSA (Nutrition Services and Administration): The component of WIC funding that covers program operations, nutrition education, breastfeeding support, and agency staffing — as distinct from the food benefit costs.
Nutritional Risk: One of WIC's four eligibility requirements. A WIC health professional determines whether you have at least one qualifying nutrition-related condition — things like anemia, being underweight or overweight, having an inadequate diet, a history of poor pregnancy outcomes, or simply being pregnant (which automatically qualifies as a nutritional risk condition). In practice, this is a broad standard that almost everyone from an eligible household meets. It's not a barrier; it's a formality that allows WIC to document the health rationale for serving you.
Recertification: The process by which a WIC participant's eligibility is re-evaluated at the end of each certification period. Recertification requires a new appointment, re-assessment of nutritional risk, income verification, and may result in changes to the food package. See How to Renew WIC.
SNAP (Supplemental Nutrition Assistance Program): Formerly known as food stamps, SNAP is a separate federal nutrition assistance program administered by USDA FNS. SNAP provides a monthly dollar benefit for general food purchases. Receiving SNAP automatically satisfies WIC's income requirement. See WIC vs SNAP.
WIC (Women, Infants, and Children): The Special Supplemental Nutrition Program for Women, Infants, and Children. A federal program funded by USDA and administered by state agencies. The full name is a mouthful, but the words matter: "special" because it targets specific high-risk populations (not the general public), "supplemental" because it's intended to supplement a family's diet rather than replace it entirely, and "nutrition" because food benefits are paired with nutrition education and health screening. WIC provides food benefits, nutrition counseling, breastfeeding support, and referrals to eligible low-income pregnant women, new mothers, infants, and children under age 5. See What Is WIC?
WPA (WIC Participant Agreement): The form you sign when you certify for WIC. It acknowledges that you understand the program rules — that benefits can only be used for approved foods at authorized stores, that you're responsible for reporting changes in your eligibility status, and related conditions. It's not a contract in the legal sense, but signing it is part of the certification process.