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Iodine I-131 Sodium Iodide, Diagnostic, per mcCi

Massachusetts rates for HCPCS A9531

Iodine I-131 sodium iodide, diagnostic, per mcCi (up to 100 mcCi)

Rates data updated July 2026.

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

$5.25

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $5.25 for this service. The price depends on where it is billed: about $5.25 from a physician practice, and about $6.61 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5.25$4.90 to $5.25
FacilityA hospital or hospital-owned outpatient department$6.61$4.90 to $8.91

How much rates vary

Facilitymedian $7 · 10th to 90th $5 to $3,631Professionalmedian $5 · 10th to 90th $4 to $10
$10.0$100.0$1.0K$10.0Kfacility $7professional $5

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$4.90
Median
$4.90
Typical High
$7.08
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3.55
Median
$4.90
Typical High
$11.75
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$89.13
Typical High
$89.13
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$2.82
Median
$5.75
Typical High
$28.18
Cigna
Setting
Facility
Modifier
Global
Typical Low
$4.79
Median
$7.76
Typical High
$16.22
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.72
Median
$3.72
Typical High
$3.72
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$83.18
Median
$5,888.44
Typical High
$9,772.37
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$5.25
Typical High
$8.51
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$89.13
Typical High
$89.13
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$2.82
Median
$5.75
Typical High
$28.18
United
Setting
Facility
Modifier
Global
Typical Low
$7.08
Median
$9.33
Typical High
$9.33
United
Setting
Professional
Modifier
Global
Typical Low
$3.02
Median
$5.25
Typical High
$9.55

Where Massachusetts sits

The same service costs 4.8 times more in Ohio than in Hawaii. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Massachusetts $5.25 · 9th of 51
OH $7.08HI $1.48

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.