Ammonia test cost in Jacksonville, FL
In Jacksonville, FL, 14 hospitals list a cash price for ammonia blood test: from $70.68 to $924.26, with a median of $75.02. The lowest listed price is at Baptist Health Medical Center - Jacksonville and 4 other hospitals — $4.34 less than the median here. Across Florida, the median is $121.70 at 174 hospitals.
Cash prices at 14 facilities across 7 cities for code 82140, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Feb 6, 2026 and Sep 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Jacksonville, FL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Baptist Health Medical Center - Jacksonville lowest Jacksonville, FL · (904) 202-2000 HC ASSAY OF AMMONIA - AMMONIA BLOOD | $70.68 | $114.00 | $22.80–$111.72 | 38% | Feb 6, 2026 source file |
| Baptist Health Medical Center - Jacksonville lowest Jacksonville, FL · (904) 202-2000 HC ASSAY OF AMMONIA - AMMONIA BLOOD | $70.68 | $114.00 | $23.94–$111.72 | 38% | Feb 6, 2026 source file |
| Baptist Health Medical Center - Jacksonville lowest Fleming Island, FL · (904) 202-2000 HC ASSAY OF AMMONIA - AMMONIA BLOOD | $70.68 | $114.00 | $22.80–$111.72 | 38% | Feb 6, 2026 source file |
| Baptist Medical Center South lowest Jacksonville, FL · (904) 202-2000 HC ASSAY OF AMMONIA - AMMONIA BLOOD | $70.68 | $114.00 | $22.80–$111.72 | 38% | Feb 6, 2026 source file |
| Baptist Medical Center of the Beaches lowest Jacksonville Beach, FL · (904) 247-2900 HC ASSAY OF AMMONIA - AMMONIA BLOOD | $70.68 | $114.00 | $6.08–$34.97 | 38% | Feb 6, 2026 source file |
| Baptist Medical Center of Nassau lowest Fernandina Beach, FL · (904) 321-3500 HC ASSAY OF AMMONIA - AMMONIA BLOOD | $70.68 | $114.00 | $33.06–$111.72 | 38% | Feb 6, 2026 source file |
| Ascension St Vincent's Southside Jacksonville, FL · (904) 296-3700 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$202.75 | 63% | — source file |
| Ascension St Vincent's St Johns County Saint Johns, FL · (904) 450-6020 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$202.75 | 63% | — source file |
| Ascension St Vincent's St Johns County Saint Johns, FL · (904) 450-6020 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$202.75 | 63% | — source file |
| Ascension St Vincent's Riverside Jacksonville, FL · (904) 308-7300 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$75.02 | 63% | — source file |
| Ascension St Vincent's Riverside Jacksonville, FL · (904) 308-7300 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$75.02 | 63% | — source file |
| St. Vincent's Medical Center-Clay County Middleburg, FL · (904) 602-1000 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$202.75 | 63% | — source file |
| St. Vincent's Medical Center-Clay County Middleburg, FL · (904) 602-1000 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$202.75 | 63% | — source file |
| Ascension St Vincent's Southside Jacksonville, FL · (904) 296-3700 AMMONIA BLOOD | $75.02 | $202.75 | $12.82–$202.75 | 63% | — source file |
| University of Florida Health in Jacksonville Jacksonville, FL · (904) 244-4000 HB AMMONIA-BLOOD | $93.21 | $169.47 | $6.70–$17.05 | 45% | Mar 31, 2026 source file |
| Reunion Rehabilitation Hospital Jacksonville Jacksonville, FL Assay of ammonia | $96.96 | $96.96 | — | — | Apr 1, 2026 source file |
| ED Fraser Memorial Hospital Macclenny, FL · (904) 259-3151 AMMONIA | $157.00 | $157.00 | $14.28–$157.00 | — | — source file |
| HCA Florida Memorial Hospital Jacksonville, FL · (904) 702-6111 AMMONIA | $623.00 | $623.00 | $52.33–$560.70 | — | Sep 1, 2026 source file |
| HCA Florida Memorial Hospital Jacksonville, FL · (904) 702-6111 Ammonia | $623.00 | $623.00 | $14.57 | — | Sep 1, 2026 source file |
| HCA Florida Memorial Hospital Jacksonville, FL · (904) 702-6111 Ammonia UNSCHEDULED | $623.00 | $623.00 | $221.80–$226.47 | — | Sep 1, 2026 source file |
| HCA Florida Orange Park Hospital Jacksonville, FL · (904) 276-8500 AMMONIA | $924.26 | $924.26 | $77.64–$831.83 | — | Sep 1, 2026 source file |
Outpatient: lowest $70.68, median $75.02, highest $924.26 — a 13.1× difference within the same market.
As an inpatient, the same code is billed by 8 facilities here, median $84.12. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 7 of 13 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.