go back

General-Purpose Immunoassay Lab Test

Louisiana rates for HCPCS 83516

A laboratory test that uses an antibody-based method to detect and measure a specific substance in a sample, applied when there is no more specific, dedicated test already established for that particular substance. It is a general-purpose test format applied to a wide range of possible substances rather than one single, named analyte.

Rates data updated July 2026.

How much does General-Purpose Immunoassay Lab Test cost?

$14.13

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $14.13 for this service. The price depends on where it is billed: about $12.30 from a physician practice, and about $19.50 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$12.30$10.00 to $14.13
FacilityA hospital or hospital-owned outpatient department$19.50$13.80 to $41.69

How much rates vary

Facilitymedian $19 · 10th to 90th $12 to $83Professionalmedian $12 · 10th to 90th $9 to $23
$2.0$10.0$50.0$200.0$1.0Kfacility $19professional $12

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
$12.30
Median
$19.50
Typical High
$87.10
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$12.88
Typical High
$23.44
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$5.75
Typical High
$5.75
BCBS
Setting
Facility
Modifier
Global
Typical Low
$14.13
Median
$23.44
Typical High
$42.66
BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$12.59
Typical High
$22.39
Christus
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$12.02
Typical High
$39.81
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$31.62
Typical High
$70.79
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$7.76
Typical High
$13.18
United
Setting
Facility
Modifier
Global
Typical Low
$4.79
Median
$11.48
Typical High
$14.13
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$6.76
Typical High
$16.22

Where Louisiana sits

The same service costs 4.5 times more in South Dakota than in Nevada. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Louisiana $14.13 · 22nd of 51
SD $45.71NV $10.23

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.