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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 October 2026.

How much does General-Purpose Immunoassay Lab Test cost?

$12.59

Typical negotiated rate. In Louisiana, October 2026.

Insurers have agreed to pay about $12.59 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $15.14 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$11.48$6.76 to $13.80
FacilityA hospital or hospital-owned outpatient department$15.14$12.02 to $25.70

How much rates vary

Facilitymedian $15 · 10th to 90th $12 to $41Professionalmedian $11 · 10th to 90th $5 to $17
$5$10$20$50facility $15professional $11

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
$12.30
Median
$15.14
Typical High
$50.12
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$6.17
Median
$7.94
Typical High
$29.51
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$2.45
Median
$3.16
Typical High
$11.75
Aetna
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$13.80
Typical High
$22.91
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$6.17
Median
$6.92
Typical High
$7.59
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.45
Median
$2.82
Typical High
$3.02
Ambetter
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$3.89
Typical High
$5.75
BCBS Louisiana
Setting
Facility
Modifier
None
Typical Low
$14.45
Median
$23.44
Typical High
$43.65
BCBS Louisiana
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$12.59
Typical High
$17.38
Christus
Setting
Facility
Modifier
None
Typical Low
$12.02
Median
$12.02
Typical High
$12.02
Cigna
Setting
Facility
Modifier
None
Typical Low
$12.30
Median
$25.12
Typical High
$69.18
Cigna
Setting
Professional
Modifier
None
Typical Low
$5.50
Median
$7.76
Typical High
$13.18
United
Setting
Facility
Modifier
None
Typical Low
$4.79
Median
$10.47
Typical High
$11.48
United
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$6.76
Typical High
$15.85

Where Louisiana sits

The same service costs 5.2 times more in Minnesota than in Maryland. 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.

Louisiana· 24th of 51

$12.59

MN $45.71MD $8.71

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.