Dexcom sensors are consistently the highest-value item in the diabetic supply resale market. If you have unused G6 or G7 sensors sitting in a drawer, you could be looking at $40–$80 per box depending on a handful of factors. Here's how it breaks down.
What a box of Dexcom sensors is worth
These are typical ranges you can expect from a reputable mail-in buyer in 2025. Actual offers vary by buyer and market conditions:
- Dexcom G7 15-day sensor (retail, 7+ months to expiry): ~$50/box
- Dexcom G7 15-day sensor (5–6 months to expiry): $40–$45/box
- Dexcom G7 15-day sensor (3–4 months to expiry): $25–$35/box
- Dexcom G7 10-day sensor (retail, 7+ months): ~$40/box
- Dexcom G7 10-day sensor (5–6 months): ~$30/box
- Dexcom G6 sensor 3-pack (retail, 7+ months): ~$115/pack
- Dexcom G6 sensor 3-pack (5–6 months): $100–$110/pack
- Dexcom G6 sensor 3-pack (3–4 months): $75–$90/pack
- Dexcom G6 transmitter kit: $50–$70 depending on activation window remaining
- Dexcom Stelo 2-pack (7+ months): ~$27/pack
The four factors that drive your offer
1. Expiration date
This is the single biggest variable. A box with 18 months remaining is worth significantly more than the same box with 4 months. Most buyers require at least 3 months to expiration to make any offer at all. The sweet spot is 12+ months — that's where you get top-dollar rates.
2. G7 vs G6
G7 sensors command higher prices because they're the current generation and in higher demand. G6 sensors still have a strong market — many patients stay on G6 because their insurance covers it specifically, or they prefer the separate transmitter system — but G7 gets the premium.
3. Quantity
Selling in bulk (10+ boxes) gets you better per-box rates with most buyers. If you have a large quantity, mention it when requesting a quote — it often unlocks a bulk pricing tier.
4. Box condition
The box must be factory-sealed with no tears, stains, water damage, or crushed corners. Cosmetic damage to the box — even if the sensors inside are untouched — reduces offers significantly or disqualifies the shipment entirely.
Why Dexcom sensors hold their value
Retail Dexcom G7 sensors cost approximately $190 per sensor, or around $570 for a 3-pack, without insurance. With many insurance plans covering only partial costs — and some people having no CGM coverage at all — there's strong demand for below-retail sensors. That demand is what makes the secondary market viable and gives your unused boxes real cash value.
Find out exactly what your Dexcom sensors are worth
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