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Complement Component Activity Test

Montana rates for HCPCS 86161

This blood test measures the functional activity of one specific protein within the complement system, a group of immune proteins that normally work together to fight infection and clear damaged cells. It is used to help investigate certain autoimmune diseases, recurrent infections, or unexplained inflammation. A low result can indicate that this particular protein is being used up faster than it can be replaced, or that a person was born with a shortage of it.

Rates data updated July 2026.

How much does Complement Component Activity Test cost?

$16.22

Typical negotiated rate. In Montana, July 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $15.14 from a physician practice, and about $19.05 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$15.14$10.72 to $21.38
FacilityA hospital or hospital-owned outpatient department$19.05$16.22 to $37.15

How much rates vary

Facilitymedian $19 · 10th to 90th $15 to $91Professionalmedian $15 · 10th to 90th $10 to $79
$10$100$1K$10K$100Kfacility $19professional $15

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$30.20
Median
$87.10
Typical High
$107.15
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$13.80
Typical High
$79.43
BCBS
Setting
Facility
Modifier
Global
Typical Low
$16.22
Median
$41.69
Typical High
$81,283.05
BCBS
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$16.22
Typical High
$16.22
Cigna
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$20.42
Typical High
$69.18
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$13.49
Typical High
$17.38
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$16.98
Typical High
$37.15
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$16.98
Typical High
$37.15
Providence
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$23.44
Typical High
$69.18
Providence
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$10.72
Typical High
$17.38
United
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$12.02
Typical High
$12.02
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$6.92
Typical High
$16.60

Where Montana sits

The same service costs 2.9 times more in Pennsylvania than in Tennessee. 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· 9th of 51

$16.22

PA $27.54TN $9.55

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.