Up To85% Off
Get up to 85% off Medical Lab Tests when you redeem this coupon at Walk-In Lab.
Walk-In Lab Featured Coupons
These coupons and coupon codes have received the highest click engagements by Walk-In Lab users.
Up To50% Off
Get up to 50% off Walk-In Lab Sale items when you redeem this coupon.
Recently expired offers
15% Off
Heart Health Discount Panels: Take 15% off your purchase when you enter this Walk-In Lab promo code.
15% Off
Apply this Walk-In Lab promo code to get 15% off Diabetes Discount Panels.
15% Off
Food Allergy Lab Test Sale! Take 15% off all purchases when you enter this Walk-In Lab promo code.
15% Off
Happy Halloween! Take 15% off your entire purchase when you copy this Walk-In Lab promo code.
15% Off
September Sale! Apply this Walk-In Lab promo code to get 15% off Anti-Aging Panels, PSA Tests, and STD Panels.
15% Off
Paste this Walk-In Lab promo code to get 15% off across the entire site.
20% Off
Get 20% off sitewide when you reveal this Walk-In Lab promo code.
10% Off
Get 10% off Home Test Kits when you copy this Walk-In Lab coupon code.
20% Off
Receive 20% off Wellness Panels when you paste this Walk-In Lab coupon code.