Phosphorus test cost in Denver, CO — inpatient
In Denver-Aurora-Centennial, CO, 9 hospitals list a cash price for phosphorus (phosphate) blood test as an inpatient: from $24.05 to $260.99, with a median of $123.64. The lowest listed price is at Childrens Hospital Colorado — $99.59 less than the median here. Across Colorado, the median is $82.00 at 41 hospitals.
Cash prices at 9 facilities across 6 cities for code 84100, 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 |
|---|---|---|---|---|
| Childrens Hospital Colorado lowest Aurora, CO · (720) 777-1234 HB=PHOSPHORUS SERUM INO File of Apr 17, 2026 · source file | $24.05 | $37.00 | $5.55–$34.04 | 35% |
| Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC PHOSPHORUS+1 more line at this price File of Apr 30, 2026 · source file | $24.82 | $70.90 | $24.32 | 65% |
| National Jewish Health Denver, CO · (303) 388-4461 HC PHOSPHORUS source file | $31.50 | $45.00 | $4.74–$38.25 | 30% |
| Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=CSHB PHOSPHORUS File of Apr 17, 2026 · source file | $74.10 | $114.00 | $17.10–$104.88 | 35% |
| Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=PHOSPHORUS, FECAL File of Apr 17, 2026 · source file | $83.85 | $129.00 | $19.35–$118.68 | 35% |
| AdventHealth Porter Denver, CO · (303) 778-1955 HC PHOSPHORUS BODY FLUID+1 more line at this price File of Apr 1, 2026 · source file | $123.64 | $123.64 | — | — |
| AdventHealth Parker Parker, CO · (303) 269-4000 HC PHOSPHORUS+1 more line at this price File of Apr 1, 2026 · source file | $123.64 | $123.64 | — | — |
| AdventHealth Littleton Littleton, CO · (303) 730-8900 HC PHOSPHORUS BODY FLUID+1 more line at this price File of Apr 1, 2026 · source file | $123.64 | $123.64 | — | — |
| AdventHealth Castle Rock Castle Rock, CO · (720) 455-5000 HC PHOSPHORUS BODY FLUID+1 more line at this price File of Apr 1, 2026 · source file | $123.64 | $123.64 | — | — |
| Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=CATHARTIC LAXATIVES PROFILE (PHOS), FECES File of Apr 17, 2026 · source file | $161.85 | $249.00 | $37.35–$229.08 | 35% |
| Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC ASSAY OF PHOSPHORUS File of Apr 30, 2026 · source file | $162.35 | $463.85 | $159.10 | 65% |
| PAM Specialty Hospital of Denver Denver, CO Phosphorus File of Aug 6, 2026 · source file | $179.84 | $179.84 | $116.90–$152.86 | — |
| Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC PHOSPHORUS INORGANIC PHOSPHATE File of Apr 30, 2026 · source file | $223.33 | $638.08 | $218.86 | 65% |
| Craig Hospital Englewood, CO HC PHOSPHORUS ASSAY File of Jun 25, 2026 · source file | $260.99 | $685.00 | $354.83–$616.50 | 62% |
Inpatient: lowest $24.05, median $123.64, highest $260.99 — a 10.9× difference within the same market.
As an outpatient, the same code is billed by 21 facilities here, median $479.37 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 3 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
A phosphorus test measures phosphate in the blood. It is used with calcium for kidney disease, bone disease and parathyroid problems.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.