CPT 83521

Immunoassay

Current code48 hospitals with prices

This name is the CMS category the code belongs to (CMS's Restructured BETOS Classification System), shared with similar codes. The official CPT description belongs to the American Medical Association and isn't shown.

What Washington hospitals publish for this code

Commercial insurance: Rate negotiated with a private insurer or employer plan, including exchange and public-option plans.

Prices for CPT 83521 by hospital
HospitalCommercial insurance rates (lowest – highest)Cash priceList price (before discounts)
Capital Medical CenterOlympiaFile dated 2026-08-27$17.27 – $10117 plans$20.80 – $27.60$52.00 – $69.00
Cascade Medical CenterLeavenworth$81.60 – $85.272 plans$109$136
Cascade Valley HospitalArlington$3.40 – $48310 plans$32.00$40.00
Deaconess Medical CenterSpokaneFile dated 2026-08-27$10.40 – $10716 plans$11.20$28.00
EvergreenHealth Medical CenterKirkland$17.87 – $23727 plans$150 – $204$187 – $255
EvergreenHealth MonroeMonroe$20.72 – $17417 plans$150$187
Harborview Medical CenterSeattleFile dated 2026-04-01$25.90 – $53.547 plans$42.49 – $111$60.70 – $159
Highline Medical CenterBurienFile dated 2026-02-28$24.51 – $51.304 plans$17.41$57.00
Island HospitalAnacortes$17.27 – $14317 plans$150$150
Kadlec Regional Medical CenterRichlandFile dated 2026-04-01$18.45 – $48.516 plans$28.00 – $107$40.00 – $153
Legacy Salmon Creek Medical CenterVancouverFile dated 2026-04-01$28.08 – $45.077 plans——
Mary Bridge Children's HospitalTacomaFile dated 2026-08-27$17.27 – $13319 plans$20.80$52.00
MultiCare Auburn Medical CenterAuburnFile dated 2026-08-27$17.27 – $80.1317 plans$20.80$52.00
MultiCare Covington Medical CenterCovingtonFile dated 2026-08-27$17.27 – $80.1317 plans$20.80$52.00
MultiCare Good Samaritan HospitalPuyallupFile dated 2026-08-27$17.27 – $80.1317 plans$20.80$52.00
MultiCare Valley HospitalSpokane ValleyFile dated 2026-08-27$10.40 – $31.3116 plans$11.20$28.00
Olympic Medical CenterPort AngelesFile dated 2026-06-24$29.06 – $52.006 plans$41.60$52.00
Overlake Hospital Medical Center & ClinicsBellevueFile dated 2026-04-01$17.97 – $1629 plans$15.15 – $29.68$30.30 – $59.36
PeaceHealth Peace Island Medical CenterFriday Harbor—$31.85$49.00
PeaceHealth Southwest Medical CenteVancouver$6.91 – $56.037 plans$92.95$143
PeaceHealth St John Medical CenterLongview$6.91 – $99.375 plans$92.95$143
PeaceHealth St Joseph Medical CenterBellingham$20.72 – $33.312 plans$92.95$143
PeaceHealth United General Medical CenterSedro Woolley$27.111 plan$90.35$139
Prov Sacred HRT Med Ctr & Childs Hosp.SpokaneFile dated 2026-04-01$20.72 – $10210 plans$65.80 – $79.10$94.00 – $113
Providence Centralia HospitalCentraliaFile dated 2026-04-01$29.19 – $1626 plans——
Providence Holy Family HospitalSpokaneFile dated 2026-04-01$20.72 – $73.688 plans$43.40$62.00
Providence Mount Carmel HospitalColvilleFile dated 2026-04-01—$55.30$79.00
Providence Regional Medical Center EverettEverettFile dated 2026-04-01$17.27 – $11210 plans$86.32 – $86.84$166 – $167
Providence St Joseph HospitalChewelahFile dated 2026-04-01—$76.30$109
Providence St Mary Medical CenterWalla WallaFile dated 2026-04-01$27.63 – $1125 plans$11.20 – $54.60$16.00 – $78.00
Providence St Peter HospitalOlympiaFile dated 2026-04-01$14.68 – $89.439 plans$33.28$64.00
Skagit Valley HospitalMount Vernon$5.92 – $38.9510 plans$32.80$41.00
St Anthony HospitalGig HarborFile dated 2026-02-28$41.04 – $42.752 plans$17.34$57.00
St Clare HospitalLakewoodFile dated 2026-02-28$41.04 – $42.752 plans$16.43$57.00
St Elizabeth HospitalEnumclawFile dated 2026-02-28$18.99 – $51.308 plans$20.15$57.00
St Francis Community HospitalFederal WayFile dated 2026-02-28$41.04 – $42.752 plans$17.89$57.00
St Joseph Medical CenterTacomaFile dated 2026-02-28$41.04 – $42.752 plans$18.88$57.00
St Michael Medical CenterSilverdaleFile dated 2026-02-28$36.48 – $51.3010 plans$25.16$57.00
Swedish Edmonds HospitalEdmondsFile dated 2026-04-01$17.27 – $43.8710 plans$74.88 – $80.16$156 – $167
Swedish IssaquahIssaquahFile dated 2026-04-01$15.54 – $60.6210 plans$74.88 – $80.16$156 – $167
Swedish Medical CenterSeattleFile dated 2026-04-01$15.54 – $61.6811 plans$74.88 – $80.16$156 – $167
Swedish Medical Center / Cherry HillSeattleFile dated 2026-04-01$15.54 – $61.6811 plans$74.88 – $80.16$156 – $167
Tacoma General Allenmore HospitalTacomaFile dated 2026-08-27$17.27 – $80.1317 plans$20.80$52.00
Trios HealthKennewick——$64.93
University of Washington Medical CtrSeattleFile dated 2026-04-01$20.72 – $54.166 plans$42.49 – $89.79$60.70 – $128
Virginia Mason Medical CenterSeattle$17.27 – $77.8910 plans$27.03$53.00
WhidbeyHealth Medical CenterCoupeville—$182$182
Yakima Valley MemorialYakimaFile dated 2026-08-27$17.87 – $59.1317 plans$27.60$69.00

Lowest and highest amounts each hospital lists for this code as an outpatient, including lines it lists for both settings or without saying which. A doctor’s fee is shown separately when the hospital lists one with the code. “At least” means plans were counted in more than one group and some may be the same plan. This is one line of a bill; most care brings several.

Medicare (traditional) reference

Only for people on original Medicare. These are CMS’s 2026 amounts. They aren’t what private insurance or cash patients pay.

Lab fee schedule (national limit)
$17.27