Chickenpox immunity test cost in Williamsport, PA — inpatient
In Williamsport, PA, 2 hospitals list a cash price for chickenpox (varicella) immunity blood test as an inpatient: from $91.80 to $146.40, with a median of $119.10. The lowest listed price is at UPMC Williamsport — $27.30 less than the median here. Across Pennsylvania, the median is $87.64 at 92 hospitals.
Cash prices at 2 facilities across 2 cities for code 86787, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Mar 6, 2026 and Mar 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 Williamsport, PA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| UPMC Williamsport lowest Williamsport, PA · (570) 321-1000 VARICELLA-ZOSTER P1665 File of Mar 6, 2026 · source file | $91.80 | $153.00 | $65.55–$137.70 | 40% |
| UPMC Williamsport Williamsport, PA · (570) 321-1000 VARICELLA ZOSTER AB - IGG+4 more lines at this price File of Mar 6, 2026 · source file | $146.40 | $244.00 | $104.53–$219.60 | 40% |
| UPMC Muncy Muncy, PA · (570) 546-8282 HERPES ZOSTER AB IGG+4 more lines at this price File of Mar 6, 2026 · source file | $146.40 | $244.00 | $104.53–$2,315.52 | 40% |
Inpatient: lowest $91.80, median $119.10, highest $146.40 — a 1.6× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $119.10 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 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
A varicella antibody test shows whether you are immune to chickenpox. It is used by schools, health care employers and before pregnancy when vaccine records are missing.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.