Mono test cost in Washington
In Washington, 33 hospitals publish a cash price for mono test (heterophile antibody, Monospot): from $11.13 to $203.00, with a median of $36.40. The lowest price is at Legacy Salmon Creek Medical Center (Vancouver). The highest price is 18.2× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 86308. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Hospitals in Washington, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Legacy Salmon Creek Medical Center lowest Vancouver · Portland-Vancouver-Hillsboro, OR-WA HC INFECTIOUS MONO TEST | $11.13 | $17.13 | Apr 1, 2026 source file |
| Overlake Medical Center & Clinics Bellevue · Seattle-Tacoma-Bellevue, WA Hc Mononucleosis Test, Qual-Lc | $16.27 | $32.54 | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla · Walla Walla, WA HC HETEROPHILE ANTIBODIES SCREEN LAB | $19.60 | $28.00 | Apr 1, 2026 source file |
| Confluence Health Hospital Wenatchee · Wenatchee-East Wenatchee, WA HC Mononucleosis Screen | $19.80 | $22.00 | — source file |
| Kaiser Permanente Central Hospital Seattle · Seattle-Tacoma-Bellevue, WA HETEROPHILE ANTIBODIES SCREENING | $24.00 | $30.00 | Apr 1, 2026 source file |
| Saint Clare Hospital Lakewood · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $25.45 | $88.29 | Feb 28, 2026 source file |
| St Anthony Hospital Gig Harbor · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $26.86 | $88.29 | Feb 28, 2026 source file |
| Highline Medical Center Burien · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $26.96 | $88.29 | Feb 28, 2026 source file |
| Swedish Edmonds Edmonds · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES | $27.36 | $57.00 | Apr 1, 2026 source file |
| Swedish Issaquah Issaquah · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES SCREEN LAB | $27.36 | $57.00 | Apr 1, 2026 source file |
| Swedish Medical Center / Cherry Hill Seattle · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES SCREEN LAB | $27.36 | $57.00 | Apr 1, 2026 source file |
| St Francis Community Hospital Federal Way · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $27.71 | $88.29 | Feb 28, 2026 source file |
| St Joseph Medical Center Tacoma · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $29.25 | $88.29 | Feb 28, 2026 source file |
| Providence Regional Medical Center Everett Everett · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES | $29.64 | $57.00 | Apr 1, 2026 source file |
| Enumclaw Regional Hospital Association Enumclaw · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $31.20 | $88.29 | Feb 28, 2026 source file |
| Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA HETEROPHILE ANTIBODIES-SCRNING | $33.66 | $66.00 | — source file |
| PeaceHealth Peace Island Medical Center Friday Harbor · Friday Harbor, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $36.40 | $56.00 | — source file |
| Harrison Medical Center Silverdale · Bremerton-Silverdale-Port Orchard, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $38.97 | $88.29 | Feb 28, 2026 source file |
| Providence Holy Family Hospital Spokane · Spokane-Spokane Valley, WA HC HETEROPHILE ANTIBODIES | $43.40 | $62.00 | Apr 1, 2026 source file |
| Shriners Childrens - Spokane Spokane · Spokane-Spokane Valley, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $44.90 | $44.90 | — source file |
| PeaceHealth United General Medical Center Sedro Woolley · Mount Vernon-Anacortes, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $57.20 | $88.00 | — source file |
| Kadlec Regional Medical Center Richland · Kennewick-Richland, WA HC HETEROPHILE ANTIBODIES | $65.80 | $94.00 | Apr 1, 2026 source file |
| Jefferson Healthcare Port Townsend · Port Townsend, WA Screening test for mononucleosis (mono) | $68.00 | $85.00 | Aug 6, 2026 source file |
| St. Joseph Medical Center Bellingham · Bellingham, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $72.80 | $112.00 | — source file |
| Cascade Valley Hospital Arlington · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE TITER | $83.20 | $104.00 | — source file |
| Skagit Valley Hospital Mount Vernon · Mount Vernon-Anacortes, WA HC HETEROPHILE TITER | $85.60 | $107.00 | — source file |
| PeaceHealth Southwest Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $89.70 | $138.00 | — source file |
| St. John Medical Center Longview · Longview-Kelso, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $89.70 | $138.00 | — source file |
| Providence Centralia Hospital Centralia · Centralia, WA HC HETEROPHILE ANTIBODIES | $96.20 | $185.00 | Apr 1, 2026 source file |
| Providence St Peter Hospital Olympia · Olympia-Lacey-Tumwater, WA HC HETEROPHILE ANTIBODIES | $96.20 | $185.00 | Apr 1, 2026 source file |
| Providence Mount Carmel Hospital Colville · Spokane-Spokane Valley, WA HC HETEROPHILE ANTIBODIES | $98.00 | $140.00 | Apr 1, 2026 source file |
| Seattle Children's Hospital Seattle · Seattle-Tacoma-Bellevue, WA Infectious Mono Screen | $103.20 | $103.20 | — source file |
| Providence St Joseph Hospital Chewelah · Spokane-Spokane Valley, WA HC HETEROPHILE ANTIBODIES | $203.00 | $290.00 | Apr 1, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Seattle-Tacoma-Bellevue, WA | 15 | $16.27 | $27.36 |
| Spokane-Spokane Valley, WA | 4 | $43.40 | $71.45 |
| Mount Vernon-Anacortes, WA | 2 | $57.20 | $71.40 |
| Portland-Vancouver-Hillsboro, OR-WA | 2 | $11.13 | $50.42 |
| Bellingham, WA | 1 | $72.80 | $72.80 |
| Bremerton-Silverdale-Port Orchard, WA | 1 | $38.97 | $38.97 |
| Centralia, WA | 1 | $96.20 | $96.20 |
| Friday Harbor, WA | 1 | $36.40 | $36.40 |
| Kennewick-Richland, WA | 1 | $65.80 | $65.80 |
| Longview-Kelso, WA | 1 | $89.70 | $89.70 |
| Olympia-Lacey-Tumwater, WA | 1 | $96.20 | $96.20 |
| Port Townsend, WA | 1 | $68.00 | $68.00 |
| Walla Walla, WA | 1 | $19.60 | $19.60 |
| Wenatchee-East Wenatchee, WA | 1 | $19.80 | $19.80 |
What it is
The mono test looks for antibodies the body makes during infectious mononucleosis, usually caused by the Epstein-Barr virus.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
Mono test (heterophile antibody, Monospot) in other states
- Alabama$130.25
- Alaska$35.49
- Arizona$76.25
- Arkansas$30.51
- California$93.06
- Colorado$183.61
- Connecticut$33.86
- Delaware$139.44
- Florida$100.14
- Georgia$79.56
- Hawaii$34.20
- Idaho$23.00
- Illinois$52.50
- Indiana$89.00
- Iowa$30.60
- Kansas$62.88
- Kentucky$65.24
- Louisiana$28.53
- Maine$34.00
- Maryland$23.81
- Massachusetts$37.05
- Michigan$46.90
- Minnesota$39.78
- Mississippi$37.44
- Missouri$33.45
- Montana$43.20
- Nebraska$55.69
- Nevada$38.66
- New Hampshire$44.92
- New Jersey$5.96
- New Mexico$155.58
- New York$25.07
- North Carolina$115.36
- North Dakota$41.76
- Ohio$51.60
- Oklahoma$33.08
- Oregon$42.17
- Pennsylvania$38.40
- Puerto Rico$8.00
- Rhode Island$46.00
- South Carolina$60.00
- South Dakota$66.40
- Tennessee$15.84
- Texas$81.27
- Utah$67.25
- Vermont$36.00
- Virginia$80.40
- West Virginia$33.00
- Wisconsin$55.10
- Wyoming$18.93
Median cash price across the state's hospitals.