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Kidney Stone Risk Chemical Test

Montana 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?

$20.89

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $20.89 for this service. The price depends on where it is billed: about $19.50 from a physician practice, and about $24.55 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$19.50$12.88 to $20.89
FacilityA hospital or hospital-owned outpatient department$24.55$20.89 to $26.92

How much rates vary

Facilitymedian $25 · 10th to 90th $19 to $33Professionalmedian $19 · 10th to 90th $6 to $25
$10$20$50facility $25professional $19

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
Facility
Modifier
None
Typical Low
$61.66
Median
$61.66
Typical High
$61.66
Aetna
Setting
Professional
Modifier
None
Typical Low
$16.60
Median
$16.60
Typical High
$16.60
BCBS Montana
Setting
Facility
Modifier
None
Typical Low
$19.50
Median
$19.50
Typical High
$50.12
BCBS Montana
Setting
Professional
Modifier
None
Typical Low
$19.50
Median
$19.50
Typical High
$19.50
Cigna
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$21.88
Typical High
$42.66
Cigna
Setting
Professional
Modifier
None
Typical Low
$16.98
Median
$20.89
Typical High
$20.89
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$18.20
Median
$24.55
Typical High
$30.20
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$19.50
Median
$21.88
Typical High
$26.30
Providence
Setting
Facility
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$42.66
Providence
Setting
Professional
Modifier
None
Typical Low
$12.88
Median
$12.88
Typical High
$20.89
United
Setting
Professional
Modifier
None
Typical Low
$6.03
Median
$6.03
Typical High
$14.45

Where Montana 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.

Montana· 7th of 51

$20.89

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.