Hospitals report these codes with terse, inconsistent chargemaster text. This plain-English title was written by an AI model from that text and has not been reviewed by a person, so it can be wrong. The prices on this page come straight from hospital filings and do not depend on it.
Original text from hospital filings
IMMUNOASSAY NOS - REF
Duluth, MN
See all hospitals reporting CPT 83520 →Price type
Essentia Health St. Mary's Medical Center’s median price of $72 is 131% above the median hospital's median price ($31), higher than 72% of the 2,576 hospitals reporting CPT 83520. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Negotiated rates from the hospital’s own file: 8 payers, 32 plan rates. A facility fee, a professional fee, a per diem and a case rate are different bills, so each is listed on its own. Open a payer to see it across hospitals.
Filter by billing methodology
Filter by billing class
| # | ||||
|---|---|---|---|---|
| 1 | Blue Cross Blue Shield bcbs mn facility · fee schedule · outpatient | $17.27 | $17.27 | $17.27 – $17.27 |
| 2 | Blue Cross Blue Shield medicare facility · fee schedule · outpatient | $17.27 | $17.27 | $17.27 – $17.27 |
| 3 | Healthpartners medicare facility · fee schedule · outpatient | $17.27 | $17.27 | $17.27 – $17.27 |
| 4 | Medica medicare facility · fee schedule · outpatient | $17.27 | $17.27 | $17.27 – $17.27 |
| 5 | Ucare medicare facility · fee schedule · outpatient | $17.27 | $17.27 | $17.27 – $17.27 |
| 6 | UnitedHealthcare medicare facility · fee schedule · outpatient | $17.27 | $17.27 | $17.27 – $17.27 |
| 7 | Blue Cross Blue Shield commercial facility · fee schedule · outpatient | $34.54 | $34.54 | $34.54 – $34.54 |
| 8 | Medica medicaid facility · percent of total billed charges · outpatientfrom % of charges | $45.35 | $43.14 | $31.11 – $52.96 |
| 9 | Healthpartners medicaid facility · percent of total billed charges · outpatientfrom % of charges | $54.53 | $51.87 | $37.41 – $63.68 |
| 10 | Sanford Health Plan commercial-ndpers facility · fee schedule · outpatient | $55.62 | $55.62 | $55.62 – $55.62 |
| 11 | Sanford Health Plan commercial-ndpers facility · percent of total billed charges · inpatientfrom % of charges | $58.76 | $55.90 | $40.32 – $68.62 |
| 12 | Sanford Health Plan commercial-ndpers facility · percent of total billed charges · outpatientfrom % of charges | $58.76 | $55.90 | $40.32 – $68.62 |
| 13 | Blue Cross Blue Shield shp facility · percent of total billed charges · inpatientfrom % of charges | $60.50 | $57.56 | $41.51 – $70.66 |
| 14 | Blue Cross Blue Shield shp facility · percent of total billed charges · outpatientfrom % of charges | $60.50 | $57.56 | $41.51 – $70.66 |
| 15 | Sanford Health Plan commercial facility · fee schedule · outpatient | $58.55 | $58.55 | $58.55 – $58.55 |
| 16 | Blue Cross Blue Shield bcbs mn facility · percent of total billed charges · outpatientfrom % of charges | $61.65 | $58.65 | $42.30 – $72.00 |
| 17 | Sanford Health Plan commercial facility · percent of total billed charges · inpatientfrom % of charges | $61.86 | $58.85 | $42.44 – $72.24 |
| 18 | Sanford Health Plan commercial facility · percent of total billed charges · outpatientfrom % of charges | $61.86 | $58.85 | $42.44 – $72.24 |
| 19 | Blue Cross Blue Shield bcbs mn facility · percent of total billed charges · inpatientfrom % of charges | $75.35 | $71.68 | $51.70 – $88.00 |
| 20 | Medica commercial-fi facility · percent of total billed charges · outpatientfrom % of charges | $75.76 | $72.07 | $51.98 – $88.48 |
| 21 | Medica commercial-si facility · percent of total billed charges · outpatientfrom % of charges | $77.82 | $74.03 | $53.39 – $90.88 |
| 22 | Medica commercial facility · percent of total billed charges · outpatientfrom % of charges | $79.74 | $75.85 | $51.98 – $97.76 |
| 23 | Healthpartners shp facility · percent of total billed charges · outpatientfrom % of charges | $82.06 | $78.07 | $56.31 – $95.84 |
| 24 | Ucare commercial facility · percent of total billed charges · inpatientfrom % of charges | $90.15 | $85.76 | $61.85 – $105.28 |
| 25 | Ucare commercial facility · percent of total billed charges · outpatientfrom % of charges | $90.15 | $85.76 | $61.85 – $105.28 |
Last updated: Jan 1, 2026
See Quantitative immunoassay, not otherwise specified pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.