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Iodine I-131 Sodium Iodide, Diagnostic, per mcCi

Washington 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?

$3.72

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $3.72 for this service. The price depends on where it is billed: about $3.72 from a physician practice, and about $8.51 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$3.72$2.82 to $4.27
FacilityA hospital or hospital-owned outpatient department$8.51$3.72 to $10.23

How much rates vary

Facilitymedian $9 · 10th to 90th $2 to $39Professionalmedian $4 · 10th to 90th $2 to $10
$1$5$20$100facility $9professional $4

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
$3.72
Median
$8.71
Typical High
$354.81
Aetna
Setting
Professional
Modifier
Global
Typical Low
$2.45
Median
$3.72
Typical High
$4.27
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.72
Median
$7.08
Typical High
$7.41
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.72
Median
$3.72
Typical High
$3.72
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$0.93
Median
$2.63
Typical High
$12.02
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1.26
Median
$7.94
Typical High
$12.02
Molina
Setting
Professional
Modifier
Global
Typical Low
$50.12
Median
$50.12
Typical High
$75.86
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$5.13
Median
$8.51
Typical High
$8.51
United
Setting
Facility
Modifier
Global
Typical Low
$3.47
Median
$3.47
Typical High
$10.23
United
Setting
Professional
Modifier
Global
Typical Low
$2.63
Median
$4.37
Typical High
$9.55
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$4.37
Typical High
$5.62

Where Washington sits

The same service costs 4.8 times more in Ohio than in Hawaii. 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.

Washington· 30th of 51

$3.72

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.