Lab tests CPT 82140 Outpatient

Ammonia test cost in Alexandria, LA

In Alexandria, LA, 2 hospitals list a cash price for ammonia blood test: from $40.82 to $121.00, with a median of $80.91. The lowest listed price is at St. Frances Cabrini Hospital — $40.09 less than the median here. Across Louisiana, the median is $49.18 at 55 hospitals.

Cash prices at 2 facilities for code 82140, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Jan 13, 2026 and Sep 1, 2026.

Lowest$40.82St. Frances Cabrini Hospital
Median$80.91half pay less
Highest$121.00in this market
Difference3.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Alexandria, LA.

median
Lowest $40.82Highest $121.00

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St. Frances Cabrini Hospital lowest Alexandria, LA · (318) 487-1122 HC 82140 AMMONIA PLASMA $40.82 $157.00 $14.28–$133.45 74% Jan 13, 2026
source file
St. Frances Cabrini Hospital Alexandria, LA · (318) 487-1122 HC 82140 ASSAY OF AMMONIA $50.18 $193.00 $14.28–$164.05 74% Jan 13, 2026
source file
Rapides Regional Medical Center Alexandria, LA · (318) 769-3000 AMMONIA $121.00 $121.00 $26.38–$98.01 — Sep 1, 2026
source file

Outpatient: lowest $40.82, median $80.91, highest $121.00 — a 3.0× difference within the same market.

Cash or insurance?

At 1 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.

What it is

An ammonia test measures ammonia in the blood. It is used for confusion or drowsiness in people with liver disease and for some rare inherited disorders in newborns.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.