CPT 31231

Nasal/Sinus Endoscopy

Current code47 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 31231 by hospital
HospitalCommercial insurance rates (lowest – highest)Cash priceList price (before discounts)
Capital Medical CenterOlympiaFile dated 2026-08-27$939 – $9982 plans$470$1,174
Deaconess Medical CenterSpokaneFile dated 2026-08-27$504 – $5182 plans$284$710
EvergreenHealth Medical CenterKirkland$100 – $64527 plans$472 – $555$590 – $694
EvergreenHealth MonroeMonroe$100 – $57214 plans$472$590
Harborview Medical CenterSeattleFile dated 2026-04-01—$342$489
Highline Medical CenterBurienFile dated 2026-02-28$132 – $2764 plans$93.48$306
Kadlec Regional Medical CenterRichlandFile dated 2026-04-01—$322$460
Legacy Salmon Creek Medical CenterVancouverFile dated 2026-04-01—$121 – $496Doctor’s fee: $225 – $346$186 – $763Doctor’s fee: $346 – $532
Mary Bridge Children's HospitalTacomaFile dated 2026-08-27$768 – $9396 plans$470$1,174
MultiCare Auburn Medical CenterAuburnFile dated 2026-08-27$8572 plans$470$1,174
MultiCare Covington Medical CenterCovingtonFile dated 2026-08-27$8572 plans$470$1,174
MultiCare Good Samaritan HospitalPuyallupFile dated 2026-08-27$8572 plans$470$1,174
MultiCare Valley HospitalSpokane ValleyFile dated 2026-08-27$5112 plans$284$710
Prov Sacred HRT Med Ctr & Childs Hosp.SpokaneFile dated 2026-04-01—$331$473
Providence Centralia HospitalCentraliaFile dated 2026-04-01—$352$676
Providence Holy Family HospitalSpokaneFile dated 2026-04-01—$453$647
Providence Mount Carmel HospitalColvilleFile dated 2026-04-01—$313$447
Providence Regional Medical Center EverettEverettFile dated 2026-04-01—$363$699
Providence St Joseph HospitalChewelahFile dated 2026-04-01—$312$446
Providence St Mary Medical CenterWalla WallaFile dated 2026-04-01—$365$522
Providence St Peter HospitalOlympiaFile dated 2026-04-01—$352$676
Seattle Children's HospitalSeattle$93.92 – $954152 plans$926 – $994$268 – $994
Skagit Valley HospitalMount Vernon$311 – $89711 plans$378$473
St Anthony HospitalGig HarborFile dated 2026-02-28$220 – $2302 plans$93.11$306
St Clare HospitalLakewoodFile dated 2026-02-28$220 – $2302 plans$88.24$306
St Elizabeth HospitalEnumclawFile dated 2026-02-28$122 – $2765 plans$108$306
St Francis Community HospitalFederal WayFile dated 2026-02-28$220 – $2302 plans$96.07$306
St Joseph Medical CenterTacomaFile dated 2026-02-28$220 – $2302 plans$101$306
St Michael Medical CenterSilverdaleFile dated 2026-02-28$193 – $27610 plans$135$306
Swedish IssaquahIssaquahFile dated 2026-04-01—$440$916
Swedish Medical CenterSeattleFile dated 2026-04-01—$440$916
Swedish Medical Center / Cherry HillSeattleFile dated 2026-04-01—$440$916
Tacoma General Allenmore HospitalTacomaFile dated 2026-08-27$8572 plans$470$1,174
University of Washington Medical CtrSeattleFile dated 2026-04-01—$312$446
Virginia Mason Medical CenterSeattle$380 – $4754 plans$303$594

Lowest and highest amounts each hospital lists for this code during a hospital stay, 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.

Doctor's fee, Seattle (King County)
$229 in an office; $58.70 in a hospital or surgery center
Doctor's fee, rest of Washington
$201 in an office; $54.69 in a hospital or surgery center
Hospital outpatient payment (national)
$204 (APC 5151)
Surgery center payment (national)
$110

How hospitals also write this code

Some price files write it differently. These are counted as CPT 31231:

  • 31231P (with a letter after it, P; 2 price lines)
  • 31231T (with a letter after it, T; 1 price line)