Lab tests CPT 86780 Inpatient — admitted to hospital

Syphilis test (treponemal) cost in Denver, CO — inpatient

In Denver-Aurora-Centennial, CO, 9 hospitals list a cash price for syphilis antibody test (Treponema pallidum) as an inpatient: from $11.65 to $337.86, with a median of $190.68. The lowest listed price is at Denver Health and Hospital Authority — $179.03 less than the median here. Across Colorado, the median is $82.88 at 44 hospitals.

Cash prices at 9 facilities across 7 cities for code 86780, 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.

Lowest$11.65Denver Health and Hospital Authority
Median$190.68half of hospitals charge less
Highest$337.86in this market
Difference29.0×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 Denver-Aurora-Centennial, CO.

median
Lowest $11.65Highest $337.86

Hospitals, cheapest first

HospitalCash priceList priceInsurers payOff list
Denver Health and Hospital Authority lowest Denver, CO · (303) 436-4927 HC SYPHILIS TPPA TO CHPHE File of Apr 30, 2026 · source file $11.65 $33.26 $11.41 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC REFLEX TREPONEMA PALLIDUM ANTIBODY, IGG BY IFA (FTA-ABS) SERUM ARUP 0050477 File of Apr 30, 2026 · source file $14.88 $42.50 $14.58 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC TREPONEMA PALLIDUM AB - EIA File of Apr 30, 2026 · source file $15.17 $43.32 $14.86 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC REFLEX TREPONEMA PALLIDUM ANTIBODY BY TP-PA ARUP 0050777 File of Apr 30, 2026 · source file $15.74 $44.96 $15.42 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC TREPONEMA PALLIDUM ANTIBODY, IGG BY IFA (FTA-ABS), SERUM ARUP 0050477+1 more line at this price File of Apr 30, 2026 · source file $15.85 $45.28 $15.53 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC TPPA File of Apr 30, 2026 · source file $22.57 $64.48 $22.12 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC TREPONEMA PALLIDUM ANTIBODY BY TP-PA-ARUP0050777 File of Apr 30, 2026 · source file $23.55 $67.27 $23.07 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC SYPHILIS CONFIRM ASSAY File of Apr 30, 2026 · source file $30.50 $87.12 $29.88 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC TREPONEMA PALLIDUM ANTIBODY, IGG BY ELISA ARUP 0050920 File of Apr 30, 2026 · source file $32.15 $91.85 $31.50 65%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC ANTIBODY TREPONEMA PALLIDUM (HIV-SYPHILIS RAPID TEST File of Apr 30, 2026 · source file $33.88 $96.80 $33.20 65%
Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=CSHB TREPONEMA PALLIDUM ANTIBODY File of Apr 17, 2026 · source file $39.65 $61.00 $9.15–$56.12 35%
Denver Health and Hospital Authority Denver, CO · (303) 436-4927 HC TREPONEMA PALLIDUM IGM ARUP 0093067+1 more line at this price File of Apr 30, 2026 · source file $40.75 $116.42 $39.93 65%
Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=FTA ABS File of Apr 17, 2026 · source file $58.50 $90.00 $13.50–$82.80 35%
Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=MHA-TP MICRO ASSAY/TREP PALLIDUM File of Apr 17, 2026 · source file $64.35 $99.00 $14.85–$91.08 35%
Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=SYPHILIS IGG W/REFLEX EIA S File of Apr 17, 2026 · source file $66.95 $103.00 $15.45–$94.76 35%
Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=CSHB TREPONEMA PALLIDUM ANTOBODY IGM File of Apr 17, 2026 · source file $82.70 $127.23 $19.08–$117.05 35%
Childrens Hospital Colorado Aurora, CO · (720) 777-1234 HB=CSHB TREPONEMA PALLIDUM AB File of Apr 17, 2026 · source file $94.25 $145.00 $21.75–$133.40 35%
AdventHealth Porter Denver, CO · (303) 778-1955 HC ANTIBODY TREPONEMA PALLIDUM - T. PALLIDUM DONOR File of Apr 1, 2026 · source file $190.68 $190.68 — —
AdventHealth Littleton Littleton, CO · (303) 730-8900 HC ANTIBODY TREPONEMA PALLIDUM - T. PALLIDUM DONOR File of Apr 1, 2026 · source file $190.68 $190.68 — —
AdventHealth Castle Rock Castle Rock, CO · (720) 455-5000 HC ANTIBODY TREPONEMA PALLIDUM - T. PALLIDUM DONOR File of Apr 1, 2026 · source file $190.68 $190.68 — —
AdventHealth Parker Parker, CO · (303) 269-4000 HC ANTIBODY TREPONEMA PALLIDUM - T. PALLIDUM DONOR File of Apr 1, 2026 · source file $190.68 $190.68 — —
AdventHealth Littleton Littleton, CO · (303) 730-8900 HC ANTIBODY TREPONEMA PALLIDUM - FTA ANTIBODIES, IGG AND IGM+10 more lines at this price File of Apr 1, 2026 · source file $191.03 $191.03 — —
AdventHealth Castle Rock Castle Rock, CO · (720) 455-5000 HC TREPONEMA PALLIDUM CONFIRMATION+10 more lines at this price File of Apr 1, 2026 · source file $191.03 $191.03 — —
AdventHealth Porter Denver, CO · (303) 778-1955 HC TREPONEMA PALLIDUM CONFIRMATION+10 more lines at this price File of Apr 1, 2026 · source file $191.03 $191.03 — —
AdventHealth Parker Parker, CO · (303) 269-4000 HC TREPONEMA PALLIDUM CONFIRMATION+10 more lines at this price File of Apr 1, 2026 · source file $191.03 $191.03 — —
PAM Specialty Hospital of Denver Denver, CO Treponema Pallidum FTA ABS File of Aug 6, 2026 · source file $193.50 $193.50 $125.78–$164.48 —
Cobalt Rehabilitation Hospital Denver Westminster, CO Treponema Pallidum FTA ABS File of Aug 6, 2026 · source file $193.50 $193.50 $135.45–$164.48 —
Craig Hospital Englewood, CO HC TREPONEMA PALLIDUM File of Jun 25, 2026 · source file $337.86 $886.75 $459.34–$798.08 62%
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More
Off list How much lower the cash price is than the list price.
No cash discount This line's cash price equals the hospital's full list price. Many hospitals still reduce bills for uninsured patients: ask the billing office for its self-pay discount in writing. More

Inpatient: lowest $11.65, median $190.68, highest $337.86 — a 29.0× difference within the same market.

As an outpatient, the same code is billed by 21 facilities here, median $193.50 — 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

A treponemal antibody test detects antibodies to the bacterium that causes syphilis. Many labs now screen with it first and confirm with an RPR (86592).

What the price covers

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