Hemoglobin A1C (diabetes monitoring)
A blood test measuring average blood sugar over the past 3 months. Standard for diabetes monitoring.
Based on typical US negotiated and cash-pay rates. Hospital charges can run significantly higher — often 2–10x these numbers. If your bill is well above this range, it's worth questioning.
- Billed multiple times in the same 90-day window without medical justification.
- Hospital markup of 10x+ over independent lab cash rates.
Cash rates at Labcorp/Quest are typically $10–$25. Ask for the self-pay rate if uninsured.
Frequently asked questions
What does CPT code 83036 mean?
A blood test measuring average blood sugar over the past 3 months. Standard for diabetes monitoring. In billing terms it's categorized as "Hemoglobin A1C (diabetes monitoring)" under Labs.
How much should CPT 83036 cost?
Typical negotiated and cash-pay rates run about $9–$50. Hospital list prices are often 2–10× higher, but insurers rarely pay those. If your bill is well above the top of this range, ask for an itemized bill and compare.
Is CPT 83036 covered by insurance?
Most commercial plans and Medicare cover hemoglobin a1c (diabetes monitoring) when it's medically necessary and coded correctly. Denials usually come from missing prior authorization, incorrect modifiers, or the payer disputing medical necessity — all of which can be appealed.
What should I do if CPT 83036 looks wrong on my bill?
Cash rates at Labcorp/Quest are typically $10–$25. Ask for the self-pay rate if uninsured.
Can I dispute a charge for CPT 83036?
Yes. You have the right to request an itemized bill, dispute the coding with the provider's billing office, and appeal the insurer's decision. Federal rules (including the No Surprises Act for emergency and out-of-network ancillary services) protect you from many surprise charges. BillCheck can generate the appeal or negotiation letter for you.
Want us to check your full bill for you?
Upload your bill or EOB and BillCheck will flag every code like this — and draft appeal letters for the ones that don't add up.
Analyze my bill freeRelated codes
Related guides
BillCheck provides informational analysis only and is not legal, medical, or financial advice. Verify all details before submitting any correspondence to insurers or providers. Prices shown are typical ranges and vary by region, payer, and facility.