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Iodine I-131 Sodium Iodide Solution, Diagnostic, per mCi

Massachusetts rates for HCPCS A9529

Iodine I-131 sodium iodide solution, diagnostic, per mCi

Rates data updated October 2026.

How much does Iodine I-131 Sodium Iodide Solution, Diagnostic, per mCi cost?

$87.10

Typical negotiated rate. In Massachusetts, October 2026.

Insurers have agreed to pay about $87.10 for this service. The price depends on where it is billed: about $66.07 from a physician practice, and about $3,467 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$66.07$43.65 to $110
FacilityA hospital or hospital-owned outpatient department$3,467$2,951 to $4,898

How much rates vary

Facilitymedian $3,467 · 10th to 90th $83 to $5,888Professionalmedian $66 · 10th to 90th $1 to $174
$1$10$100$1K$10Kfacility $3,467professional $66

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$0.89
Median
$0.89
Typical High
$1.29
Aetna
Setting
Professional
Modifier
None
Typical Low
$0.89
Median
$0.89
Typical High
$0.89
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$0.45
Median
$0.45
Typical High
$0.45
AllWays Health Partners
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$87.10
Typical High
$173.78
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$83.18
Median
$3,630.78
Typical High
$9,772.37
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$87.10
Typical High
$173.78
Mass General Brigham
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$87.10
Typical High
$173.78
United
Setting
Professional
Modifier
None
Typical Low
$43.65
Median
$87.10
Typical High
$173.78
Well Sense
Setting
Facility
Modifier
None
Typical Low
$2,511.89
Median
$3,467.37
Typical High
$5,128.61
Well Sense
Setting
Professional
Modifier
None
Typical Low
$2,511.89
Median
$3,019.95
Typical High
$3,019.95
3 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.18
Median
$0.18
Typical High
$0.18
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$0.14
Median
$0.14
Typical High
$0.14
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$0.09
Median
$0.09
Typical High
$0.09

Where Massachusetts sits

The same service costs 177.8 times more in Texas than in Georgia. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Massachusetts· 3rd of 51

$87.10

TX $110GA $0.62

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.