Yes — Mammogram is covered by insurance. Whether you owe anything depends on your plan type, deductible status, and a few billing rules that catch patients off guard.
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Is a Mammogram Covered by Insurance? (2026 Guide)
Yes — and for routine screening mammograms, "covered" means $0 out-of-pocket in-network. The ACA and HRSA Women's Preventive Services Guidelines require ACA-compliant plans to cover screening mammograms with no cost sharing at all. Diagnostic mammograms work differently: they run through your deductible and coinsurance.
Quick answer:
- Screening mammogram (age 40+, in-network): $0 — no copay, no deductible
- Diagnostic mammogram (evaluating a symptom or abnormal finding): Deductible + coinsurance
- Additional imaging after an abnormal screening (starting 2026): $0 on ACA plans
- Prior authorization: Not required for preventive screening
Screening vs. Diagnostic: The Core Distinction
A screening mammogram is a routine preventive scan ordered for women without symptoms. Under HRSA guidelines (2026), screening is covered at $0 beginning at age 40 for average-risk women, either annually or biennially.
A screening mammogram is $0 — until a callback or a symptom re-codes it as diagnostic and the bills start.
Your personalized cost report includes:
- ✓ When a "free" screening becomes a cost-shared diagnostic mammogram — and how to see it coming
- ✓ The separate radiologist bill most patients miss (and how to verify it's in-network)
- ✓ Why a hospital outpatient department can cost far more than a breast center for the identical study
- ✓ When 3D tomosynthesis adds a separate charge — and the questions to ask before you schedule
- ✓ A real patient billing breakdown, line by line
Free for patients — takes 30 seconds to get.
We'll email it to you immediately. No account required, no spam.
A diagnostic mammogram is ordered to evaluate a specific concern — a lump you felt, nipple discharge, breast pain, or an abnormal finding on a prior screening. Diagnostic mammograms are covered as medical services, not preventive care, so your plan's cost sharing applies: deductible first, then coinsurance.
The trap: If the radiologist needs extra views during a routine screening appointment, they may reclassify the visit as diagnostic mid-appointment. That converts a $0 visit to a cost-sharing event. You often don't know until the EOB arrives.
2026 Update: Additional Imaging After an Abnormal Screening
Starting with plan years beginning in 2026, ACA-compliant plans must cover additional breast imaging or pathology ordered after an abnormal screening result with no cost sharing. This means:
- A screening mammogram that triggers an ultrasound or breast MRI → the follow-up imaging is also $0
- Biopsy ordered following an abnormal screening → covered as part of the preventive cascade
This rule applies to in-network providers on non-grandfathered individual and small-group plans. Self-insured employer plans are exempt.
State Mandates: Where Diagnostic Mammograms Are Also $0
More than 20 states require fully-insured plans to cover diagnostic mammograms and supplemental breast imaging (ultrasound for dense breasts, breast MRI for high risk) with no cost sharing. If you're in one of these states, your diagnostic mammogram may also be free:
$0 diagnostic coverage states (state-regulated fully-insured plans): AL, AK, AR, CO, CT, FL, GA, ID, IL, KY, LA, ME, MA, MS, MO, MT, NM, NY, OK, OR, TN, TX, VT, VA, WA
Supplemental imaging coverage (dense breasts / high risk): NV, NH, PA, DC
Note: Self-insured employer plans (ERISA-governed) are not subject to state mandates — federal ERISA preempts state insurance law.
What Bills to Expect
| Bill | Who sends it | Notes |
|---|---|---|
| Technical fee | Imaging center or hospital | Equipment and mammography technologist |
| Professional fee | Radiologist | Reading and interpretation |
| Supplemental imaging fee | Imaging center | If breast ultrasound or MRI ordered |
Related Cost Information
Related: Mammogram billing surprises → · Mammogram Medicare coverage →
A screening mammogram is $0 — until a callback or a symptom re-codes it as diagnostic and the bills start.
Your personalized cost report includes:
- ✓ When a "free" screening becomes a cost-shared diagnostic mammogram — and how to see it coming
- ✓ The separate radiologist bill most patients miss (and how to verify it's in-network)
- ✓ Why a hospital outpatient department can cost far more than a breast center for the identical study
- ✓ When 3D tomosynthesis adds a separate charge — and the questions to ask before you schedule
- ✓ A real patient billing breakdown, line by line
Free for patients — takes 30 seconds to get.
We'll email it to you immediately. No account required, no spam.
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About the Author
John Caruso, FSA, MAAA
Healthcare actuary with 20+ years of experience in insurance pricing, medical billing systems, and healthcare cost analytics.
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