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Iodine I-131 Sodium Iodide, Diagnostic, per mcCi

Connecticut rates for HCPCS A9531

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

Rates data updated October 2026.

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

$3.72

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $3.72 for this service. Most negotiated rates run $3.63 to $4.27.

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 4 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $4 · 10th to 90th $4 to $7Professionalmedian $4 · 10th to 90th $3 to $12
$2$5$10$20$50$100$200facility $4professional $4

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
Professional
Modifier
None
Typical Low
$4.90
Median
$11.75
Typical High
$11.75
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$3.16
Median
$3.63
Typical High
$4.68
Cigna
Setting
Facility
Modifier
None
Typical Low
$4.17
Median
$4.17
Typical High
$7.08
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.72
Median
$3.72
Typical High
$3.72
United
Setting
Professional
Modifier
None
Typical Low
$1.95
Median
$3.16
Typical High
$8.32
4 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
52 · Reduced service
Typical Low
$2.45
Median
$5.89
Typical High
$5.89
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.98
Median
$2.34
Typical High
$2.34
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$0.72
Median
$1.78
Typical High
$1.78
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$0.49
Median
$1.17
Typical High
$1.17

Where Connecticut sits

The same service costs 4.6 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.

Connecticut· 31st of 51

$3.72

OH $11.48HI $2.51

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.