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Kidney Stone Risk Chemical Test

Maryland rates for HCPCS 83945

This test measures the level of a chemical compound associated with kidney stone formation, usually in a urine sample. It is used as part of evaluating a person's risk for developing kidney stones.

Rates data updated October 2026.

How much does Kidney Stone Risk Chemical Test cost?

$10.96

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $10.96 for this service. Most negotiated rates run $9.33 to $11.48.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $10 · 10th to 90th $8 to $30Professionalmedian $11 · 10th to 90th $7 to $15
$10$20facility $10professional $11

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
Professional
Modifier
None
Typical Low
$10.72
Median
$10.96
Typical High
$11.75
CareFirst
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$11.48
Typical High
$12.02
Cigna
Setting
Facility
Modifier
None
Typical Low
$7.59
Median
$9.55
Typical High
$18.62
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$13.80
Typical High
$35.48
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$14.45
Median
$16.60
Typical High
$25.12
United
Setting
Facility
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$7.94
Typical High
$11.48
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$5.62
Median
$12.59
Typical High
$12.59
2 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
$5.37
Median
$5.37
Typical High
$5.37
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.14
Median
$2.19
Typical High
$2.19

Where Maryland sits

The same service costs 3.2 times more in Alaska than in New Jersey. 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· 50th of 51

$10.96

AK $32.36NJ $10.00

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.