Mono test cost in Washington
In Washington, 59 hospitals publish a cash price for mono test (heterophile antibody, Monospot): from $11.13 to $203.00, with a median of $57.20. The lowest price is at Legacy Salmon Creek Medical Center (Vancouver). The highest price is 18.2× the lowest.
- The median here, $57.20, is about the same as the US median of $56.20.
- That is 11.0× Medicare's 2026 national rate for the same service ($5.18).
- Washington ranks 31st of 51 states by median, cheapest first.
- 5 of 59 hospitals list a cash price equal to their full list price, with no self-pay discount.
Washington law (RCW 70.170.060) requires hospital charity care: patients with family income up to 300% of the federal poverty level owe nothing at hospitals in large health systems (200% at other hospitals), with 75% and 50% discounts up to 400% (300% at other hospitals). It covers the part of the bill a patient owes, insured or not. Ask the hospital for its charity care application. Other states' laws.
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 Nov 11, 2026. See them on a map
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 | Aug 10, 2026 source file |
| Pullman Regional Hospital Pullman · Pullman, WA Screening test for mononucleosis (mono) | $23.80 | $28.00 | Jun 9, 2026 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 | $26.55 | $92.03 | Sep 30, 2026 source file |
| Prosser Memorial Health Hospital Prosser · Kennewick-Richland, WA HC MONO TEST | $26.95 | $49.00 | Jan 1, 2025 source file |
| Swedish Edmonds Edmonds · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES SCREEN LAB | $27.36 | $57.00 | Apr 1, 2026 source file |
| Swedish Issaquah Issaquah · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES | $27.36 | $57.00 | Apr 1, 2026 source file |
| Swedish Medical Center Seattle · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES | $27.36 | $57.00 | Apr 1, 2026 source file |
| Swedish Medical Center / Cherry Hill Seattle · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE ANTIBODIES | $27.36 | $57.00 | Apr 1, 2026 source file |
| St Anthony Hospital Gig Harbor · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $27.99 | $92.03 | Sep 30, 2026 source file |
| Highline Medical Center Burien · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $28.02 | $92.03 | Sep 30, 2026 source file |
| St Francis Community Hospital Federal Way · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $28.30 | $92.03 | Sep 30, 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 |
| Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA HETEROPHILE ANTIBODIES-SCRNING | $33.66 | $66.00 | Jan 1, 2026 source file |
| St Elizabeth Hospital Enumclaw · Seattle-Tacoma-Bellevue, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $33.80 | $92.03 | Sep 30, 2026 source file |
| Summit Pacific Medical Center Elma · Aberdeen, WA Screening test for mononucleosis (mono) | $35.10 | $65.00 | Aug 31, 2026 source file |
| Quincy Valley Medical Center Quincy · Moses Lake, WA Screening test for mononucleosis (mono) | $35.77 | $35.77 | May 27, 2026 source file |
| PeaceHealth Peace Island Medical Center Friday Harbor · Friday Harbor, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $36.40 | $56.00 | Mar 20, 2026 source file |
| St. Michael Medical Center Silverdale · Bremerton-Silverdale-Port Orchard, WA HC INFECTIOUS MONONUCLEOSIS SCRN | $38.97 | $88.29 | Feb 28, 2026 source file |
| Prov Sacred Hrt Medical Center & Childs Hospital Spokane · Spokane-Spokane Valley, WA HC HETEROPHILE ANTIBODIES | $43.40 | $62.00 | Apr 1, 2026 source file |
| Lourdes Health Pasco · Kennewick-Richland, WA HETEROPHILE ANTIBODY SCREEN | $44.76 | $111.89 | Jul 10, 2026 source file |
| Shriners Childrens - Spokane Spokane · Spokane-Spokane Valley, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $44.90 | $44.90 | Mar 18, 2026 source file |
| Whitman Hospital and Medical Center Colfax · Pullman, WA Screening test for mononucleosis (mono) | $48.80 | $61.00 | Jun 29, 2026 source file |
| Willapa Harbor Hospital South Bend · South Bend, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $50.40 | $72.00 | Feb 24, 2026 source file |
| Klickitat Valley Hospital Goldendale · Goldendale, WA MONO TEST | $56.80 | $71.00 | Dec 2, 2024 source file |
| PeaceHealth United General Medical Center Sedro Woolley · Mount Vernon-Anacortes, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $57.20 | $88.00 | Mar 21, 2026 source file |
| Astria Toppenish Hospital Toppenish · Yakima, WA Mononucleosis Screen | $62.40 | $96.00 | Apr 1, 2026 source file |
| Cascade Medical Center Leavenworth · Wenatchee-East Wenatchee, WA Heterophile antibody screen | $64.00 | $80.00 | May 15, 2026 source file |
| Kadlec Regional Medical Center Richland · Kennewick-Richland, WA HC MONO TEST | $65.80 | $94.00 | Apr 1, 2026 source file |
| Ocean Beach Hospital Ilwaco · Ilwaco, WA HC HETEROPHILE ANTIBODIES | $66.00 | $88.00 | Oct 23, 2026 source file |
| Jefferson Healthcare Port Townsend · Port Townsend, WA Screening test for mononucleosis (mono) | $68.00 | $85.00 | Aug 6, 2026 source file |
| Olympic Medical Center Port Angeles · Port Angeles, WA Screening test for mononucleosis (mono) | $72.80 | $91.00 | Jun 24, 2026 source file |
| PeaceHealth St Joseph Medical Center Bellingham · Bellingham, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $72.80 | $112.00 | Mar 21, 2026 source file |
| Samaritan Hospital Moses Lake · Moses Lake, WA Screening test for mononucleosis (mono) | $73.00 | $73.00 | Jan 4, 2026 source file |
| Kittitas County Public Hospital Dist 1 Ellensburg · Ellensburg, WA Screening test for mononucleosis (mono) | $73.95 | $87.00 | Oct 7, 2026 source file |
| Lincoln Hospital Davenport · Davenport, WA Screening test for mononucleosis (mono) | $75.88 | $84.31 | Sep 14, 2026 source file |
| Othello Community Hospital Othello · Othello, WA Screening test for mononucleosis (mono) | $77.63 | $103.50 | Jul 1, 2026 source file |
| Valley Medical Center Renton · Seattle-Tacoma-Bellevue, WA Heterophile Antibodies Screen | $80.50 | $115.00 | Mar 12, 2026 source file |
| Arbor Health Morton Hospital Morton · Centralia, WA Screening test for mononucleosis (mono) | $81.22 | $131.00 | May 18, 2026 source file |
| Cascade Valley Hospital Arlington · Seattle-Tacoma-Bellevue, WA HC HETEROPHILE TITER | $83.20 | $104.00 | Mar 26, 2026 source file |
| Skagit Valley Hospital Mount Vernon · Mount Vernon-Anacortes, WA HC HETEROPHILE TITER | $85.60 | $107.00 | Mar 26, 2026 source file |
| PeaceHealth Southwest Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $89.70 | $138.00 | Mar 20, 2026 source file |
| PeaceHealth St John Medical Center Longview · Longview-Kelso, WA SCREENING TEST FOR MONONUCLEOSIS (MONO) | $89.70 | $138.00 | Mar 21, 2026 source file |
| Astria Sunnyside Hospital Sunnyside · Kennewick-Richland, WA Mononucleosis Screen | $91.20 | $160.00 | Apr 1, 2026 source file |
| Snoqualmie Valley Hospital Snoqualmie · Seattle-Tacoma-Bellevue, WA Facility Fee HC MONONUCLEOSIS SCREEN | $92.64 | $159.73 | Apr 14, 2026 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 |
| Lake Chelan Community Hospital Chelan · Wenatchee-East Wenatchee, WA Screening test for mononucleosis (mono) | $100.40 | $100.40 | Sep 1, 2026 source file |
| Seattle Children's Hospital Seattle · Seattle-Tacoma-Bellevue, WA Infectious Mono Screen | $103.20 | $103.20 | Mar 31, 2026 source file |
| Providence Holy Family Hospital Spokane · Spokane-Spokane Valley, WA HC HETEROPHILE ANTIBODIES | $106.40 | $152.00 | Apr 1, 2026 source file |
| Ferry County Memorial Hospital Republic · Republic, WA HETEROPHILE ANTIBODIES SCREEN | $119.00 | $140.00 | Sep 14, 2026 source file |
| Forks Community Hospital Forks · Port Townsend, WA Screening test for mononucleosis (mono) | $132.00 | $165.00 | Oct 27, 2026 source file |
| Mason General Hospital & Family of Clinics Shelton · Shelton, WA Mononucleosis Screen | $132.98 | $177.30 | Mar 10, 2026 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 | 18 | $16.27 | $28.16 |
| Spokane-Spokane Valley, WA | 5 | $43.40 | $98.00 |
| Kennewick-Richland, WA | 4 | $26.95 | $55.28 |
| Wenatchee-East Wenatchee, WA | 3 | $19.80 | $64.00 |
| Centralia, WA | 2 | $81.22 | $88.71 |
| Moses Lake, WA | 2 | $35.77 | $54.38 |
| Mount Vernon-Anacortes, WA | 2 | $57.20 | $71.40 |
| Port Townsend, WA | 2 | $68.00 | $100.00 |
| Portland-Vancouver-Hillsboro, OR-WA | 2 | $11.13 | $50.42 |
| Pullman, WA | 2 | $23.80 | $36.30 |
| Aberdeen, WA | 1 | $35.10 | $35.10 |
| Bellingham, WA | 1 | $72.80 | $72.80 |
| Bremerton-Silverdale-Port Orchard, WA | 1 | $38.97 | $38.97 |
| Davenport, WA | 1 | $75.88 | $75.88 |
| Ellensburg, WA | 1 | $73.95 | $73.95 |
| Friday Harbor, WA | 1 | $36.40 | $36.40 |
| Goldendale, WA | 1 | $56.80 | $56.80 |
| Ilwaco, WA | 1 | $66.00 | $66.00 |
| Longview-Kelso, WA | 1 | $89.70 | $89.70 |
| Olympia-Lacey-Tumwater, WA | 1 | $96.20 | $96.20 |
| Othello, WA | 1 | $77.63 | $77.63 |
| Port Angeles, WA | 1 | $72.80 | $72.80 |
| Republic, WA | 1 | $119.00 | $119.00 |
| South Bend, WA | 1 | $50.40 | $50.40 |
| Shelton, WA | 1 | $132.98 | $132.98 |
| Walla Walla, WA | 1 | $19.60 | $19.60 |
| Yakima, WA | 1 | $62.40 | $62.40 |
What mono test is, what the price covers and why prices differ: Mono test explained.
Mono test (heterophile antibody, Monospot) in other states
- Alabama$48.80
- Alaska$77.00
- Arizona$74.40
- Arkansas$19.34
- California$102.78
- Colorado$83.00
- Connecticut$39.35
- Delaware$139.44
- District of Columbia$53.33, 3 hospitals
- Florida$170.40
- Georgia$55.57
- Hawaii$55.25
- Idaho$51.60
- Illinois$77.00
- Indiana$77.84
- Iowa$52.00
- Kansas$44.39
- Kentucky$54.24
- Louisiana$23.00
- Maine$35.67
- Maryland$22.99
- Massachusetts$45.00
- Michigan$40.50
- Minnesota$54.12
- Mississippi$32.00
- Missouri$41.35
- Montana$65.55
- Nebraska$67.06
- Nevada$117.53
- New Hampshire$62.40
- New Jersey$11.75
- New Mexico$80.63
- New York$34.43
- North Carolina$82.05
- North Dakota$44.10
- Ohio$53.25
- Oklahoma$41.20
- Oregon$49.60
- Pennsylvania$37.20
- Puerto Rico$23.15
- Rhode Island$46.00
- South Carolina$63.00
- South Dakota$68.80
- Tennessee$37.90
- Texas$85.02
- Utah$166.74
- Vermont$47.67
- Virginia$89.75
- West Virginia$35.00
- Wisconsin$55.25
- Wyoming$58.15
Median cash price across the state's hospitals.