Ammonia test cost in Denver, CO — inpatient
In Denver-Aurora-Centennial, CO, 11 hospitals list a cash price for ammonia blood test as an inpatient: from $43.23 to $572.17, with a median of $350.99. The lowest listed price is at Denver Health and Hospital Authority — $307.76 less than the median here. Across Colorado, the median is $161.35 at 48 hospitals.
Cash prices at 11 facilities across 7 cities for code 82140, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Aug 6, 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 Denver-Aurora-Centennial, CO.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Denver Health and Hospital Authority lowest Denver, CO · (303) 436-4927 HC AMMONIA File of Apr 30, 2026 · source file | $43.23 | $123.49 | $42.36 | 65% |
| Reunion Rehabilitation Hospital Inverness Englewood, CO Assay of ammonia File of Apr 1, 2026 · source file | $96.96 | $96.96 | — | — |
| Reunion Rehabilitation Hospital Denver Denver, CO Assay of ammonia File of Apr 1, 2026 · source file | $96.96 | $96.96 | — | — |
| Cobalt Rehabilitation Hospital Denver Westminster, CO Ammonia File of Aug 6, 2026 · source file | $145.70 | $145.70 | $101.99–$123.85 | — |
| Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=CSHB AMMONIA File of Apr 17, 2026 · source file | $187.20 | $288.00 | $43.20–$264.96 | 35% |
| Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=AMMONIA NITROGEN BLO File of Apr 17, 2026 · source file | $199.55 | $307.00 | $46.05–$282.44 | 35% |
| AdventHealth Castle Rock Castle Rock, CO · (720) 455-5000 HC AMMONIA LEVEL File of Apr 1, 2026 · source file | $350.99 | $350.99 | — | — |
| AdventHealth Parker Parker, CO · (303) 269-4000 HC AMMONIA LEVEL File of Apr 1, 2026 · source file | $350.99 | $350.99 | — | — |
| AdventHealth Littleton Littleton, CO · (303) 730-8900 HC AMMONIA LEVEL File of Apr 1, 2026 · source file | $350.99 | $350.99 | — | — |
| AdventHealth Porter Denver, CO · (303) 778-1955 HC AMMONIA LEVEL File of Apr 1, 2026 · source file | $350.99 | $350.99 | — | — |
| PAM Specialty Hospital of Denver Denver, CO Ammonia File of Aug 6, 2026 · source file | $499.68 | $499.68 | $324.79–$424.73 | — |
| Craig Hospital Englewood, CO HC AMMONIA ASSAY File of Jun 25, 2026 · source file | $572.17 | $1,501.75 | $777.91–$1,351.58 | 62% |
Inpatient: lowest $43.23, median $350.99, highest $572.17 — a 13.2× difference within the same market.
As an outpatient, the same code is billed by 24 facilities here, median $811.98 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 5 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 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.