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Iodine I-131 Sodium Iodide, Diagnostic, per mcCi

Missouri 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 Missouri, October 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 $6.31 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$3.72$2.51 to $5.75
FacilityA hospital or hospital-owned outpatient department$6.31$4.47 to $8.32

How much rates vary

Facilitymedian $6 · 10th to 90th $2 to $89Professionalmedian $4 · 10th to 90th $2 to $28
$2$5$10$20$50$100facility $6professional $4

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$1.91
Median
$4.47
Typical High
$4.47
Aetna
Setting
Professional
Modifier
None
Typical Low
$1.91
Median
$2.45
Typical High
$4.47
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$0.71
Median
$3.98
Typical High
$9.77
Cigna
Setting
Facility
Modifier
None
Typical Low
$4.17
Median
$6.17
Typical High
$6.92
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.72
Median
$3.72
Typical High
$3.72
Medica
Setting
Facility
Modifier
None
Typical Low
$2.34
Median
$8.32
Typical High
$89.13
Medica
Setting
Professional
Modifier
None
Typical Low
$2.34
Median
$5.75
Typical High
$28.18
United
Setting
Professional
Modifier
None
Typical Low
$1.74
Median
$2.69
Typical High
$6.76
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
$0.95
Median
$1.23
Typical High
$2.24
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.38
Median
$0.49
Typical High
$0.89
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$0.28
Median
$0.36
Typical High
$0.68
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$0.19
Median
$0.24
Typical High
$0.45

Where Missouri 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.

Missouri· 32nd 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.