Ammonia test cost in Memphis, TN — inpatient
In Memphis, TN-MS-AR, 12 hospitals list a cash price for ammonia blood test as an inpatient: from $44.22 to $93.12, with a median of $52.49. The lowest listed price is at Methodist South Hospital and 5 other hospitals — $8.27 less than the median here. Across Tennessee, the median is $48.83 at 88 hospitals.
Cash prices at 12 facilities across 7 cities for code 82140, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 27, 2026 and Mar 19, 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 Memphis, TN-MS-AR.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Methodist South Hospital lowest Memphis, TN · (901) 516-8274 HC Assay of Ammonia - Ammonia File of Mar 19, 2026 · source file | $44.22 | $201.00 | $6.12–$109.55 | 78% |
| Methodist Lebonheur Childrens Hosp lowest Memphis, TN HC Assay of Ammonia - Ammonia File of Mar 19, 2026 · source file | $44.22 | $201.00 | — | 78% |
| Methodist North Hospital lowest Memphis, TN · (901) 516-8274 HC Assay of Ammonia - Ammonia File of Mar 19, 2026 · source file | $44.22 | $201.00 | $6.12–$109.55 | 78% |
| Methodist University Hospital lowest Memphis, TN · (901) 516-8274 HC Assay of Ammonia - Ammonia File of Mar 19, 2026 · source file | $44.22 | $201.00 | $6.12–$109.55 | 78% |
| Methodist Olive Branch Hospital lowest Olive Branch, MS · (662) 932-9000 HC Assay of Ammonia - Ammonia File of Mar 19, 2026 · source file | $44.22 | $201.00 | $6.12–$109.55 | 78% |
| Methodist Le Bonheur Germantown Hospital lowest Germantown, TN · (901) 516-8274 HC Assay of Ammonia - Ammonia File of Mar 19, 2026 · source file | $44.22 | $201.00 | $6.12–$109.55 | 78% |
| Baptist Memorial Hospital-Crittenden West Memphis, AR · (870) 394-7800 AMMONIA LEVEL File of Feb 27, 2026 · source file | $60.75 | $405.00 | $153.90–$324.00 | 85% |
| Baptist Memorial Hospital-DeSoto Southaven, MS · (662) 772-4000 AMMONIA LEVEL File of Feb 27, 2026 · source file | $81.00 | $405.00 | $153.90–$364.50 | 80% |
| Baptist Memorial Hospital-Collierville Collierville, TN · (901) 226-5000 AMMONIA LEVEL File of Feb 27, 2026 · source file | $85.05 | $405.00 | $153.90–$364.50 | 79% |
| Baptist Memorial Hospital-Women's Memphis, TN AMMONIA LEVEL File of Feb 27, 2026 · source file | $85.05 | $405.00 | $153.90–$364.50 | 79% |
| Baptist Memorial Hospital-Memphis Memphis, TN · (901) 226-5000 AMMONIA LEVEL File of Feb 28, 2026 · source file | $85.05 | $405.00 | $153.90–$364.50 | 79% |
| Baptist Memorial Hospital-Tipton Covington, TN · (901) 476-2621 AMMONIA LEVEL File of Feb 27, 2026 · source file | $93.12 | $388.00 | $147.44–$349.20 | 76% |
Inpatient: lowest $44.22, median $52.49, highest $93.12 — a 2.1× difference within the same market.
As an outpatient, the same code is billed by 13 facilities here, median $44.22 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 11 of 11 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 6 it is 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.