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Iodine I-131 Sodium Iodide, Diagnostic, per mcCi

Maryland 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?

$3.80

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $3.80 for this service. Most negotiated rates run $3.39 to $4.47.

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.

How much rates vary

Professionalmedian $4 · 10th to 90th $2 to $7
$5$10professional $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
$2.45
Median
$2.75
Typical High
$3.80
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$1.23
Median
$1.48
Typical High
$1.91
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.49
Median
$0.59
Typical High
$0.76
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$0.37
Median
$0.44
Typical High
$0.56
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$0.24
Median
$0.30
Typical High
$0.38
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.72
Median
$3.72
Typical High
$3.72
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$4.47
Median
$5.37
Typical High
$8.51
United
Setting
Professional
Modifier
None
Typical Low
$2.82
Median
$3.55
Typical High
$9.55
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$4.37
Median
$4.37
Typical High
$4.37

Where Maryland 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.

Maryland· 27th of 51

$3.80

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.