Blood test, magnesium
Facility: Boston Medical Center
Billing Code: 83735 (CPT)
- CPT Billing Code: 83735
- Insurance Median: $7
- Cash Discount Price: $32
- vs. Medicare Baseline: 1.04x Medicare
Average discount available for prompt cash payment at this facility.
Median negotiated contract rate across all mapped commercial carriers.
Standard federal government reimbursement rate for this code.
Visual Cost Comparison vs. Medicare
Understanding this gauge: We use the federal Medicare rate of $6.7 as the cost baseline. Rates below the baseline represent excellent value. In-network commercial rates commonly hover around 150% - 250% of Medicare, while rates exceeding 300% are elevated. Hover over the green and blue markers to view detailed calculations.
Out-of-Pocket Cost Estimator
Estimate whether it is more economical to use your insurance or pay the upfront self-pay cash rate.
Commercial Insurance Negotiated Rates
Negotiated contract ranges established by major commercial carriers at this facility.
| Carrier / Plan Group | Contract Rate Range | vs. Medicare Reference |
|---|---|---|
| Corrections [9001] | $6 - $8 | 90% |
| Fallon Healthcre Aco [1121] | $6 | 90% |
| Hlth New England Aco [1123] | $6 | 90% |
| Mass General Brigham Health Plan Aco [1120] | $6 | 90% |
| Mass General Brigham Health Plan Mcd Mnged [1107] | $6 | 90% |
| Medicaid / KanCare | $6 | 90% |
| Oxford Health [1007] | $6 | 90% |
| Oxford Health [2024] | $6 | 90% |
| Tufts Together Aco [1122] | $6 | 90% |
| Tufts Together Mco [1125] | $6 | 90% |
| United [2025] | $6 - $18 | 90% |
| UnitedHealthcare | $6 - $7 | 90% |
| Wellsense Alli Aco [1118] | $6 | 90% |
| Wellsense Essential Mco [1101] | $6 | 90% |
| Zzzunited [1008] | $6 - $18 | 90% |
| Aetna | $7 - $35 | 104% |
| Blue Cross Blue Shield | $7 - $13 | 104% |
| Cca [1215] | $7 | 104% |
| Cigna | $7 - $18 | 104% |
| Eternalhealth [1227] | $7 | 104% |
| Fallon Sco [1126] | $7 | 104% |
| Humana | $7 | 104% |
| Medicare (plans) | $7 | 104% |
| Neighborhood Pace [1206] | $7 | 104% |
| Tufts [8002] | $7 - $18 | 104% |
| Ubh Hphc [8016] | $7 | 104% |
| Veterans Admin [9003] | $7 | 104% |
| Wellcare [1240] | $7 | 104% |
| Wellsense [7001] | $7 | 104% |
| Zzzcca Onecare [1216] | $7 | 104% |
| Zzzcovid19 Hrsa Uninsured Testing And Treatment Fund [500010] | $7 | 104% |
| Champva [9004] | $8 | 119% |
| Senior Whole Health [1210] | $8 | 119% |
| Tricare | $8 | 119% |
| Tufts Conncare/Qhp [8020] | $8 - $10 | 119% |
| Fallon [8008] | $9 | 134% |
| Workers Comp [5002] | $9 | 134% |
| Zzzbu Employee Work Comp [5004] | $9 | 134% |
| Zzzcity Of Boston Work Comp [5003] | $9 | 134% |
| Unicare [8004] | $12 | 179% |
| Wellpoint [2034] | $12 | 179% |
| Harvard Pilgrim Health Care [8001] | $18 | 269% |
| Health Plans Inc [2027] | $18 | 269% |
| Zzzhealth Plans Inc [1013] | $18 | 269% |
| Uphams Corner Esp [1213] | $29 | 433% |
| Meritain Health [1023] | $32 | 478% |
| Mass General Brigham Health Plan Commercial [8009] | $39 | 582% |
| Hsn Bad Debt [4003] | $513 | 7657% |
| Hsn Confidential [4007] | $513 | 7657% |
| Hsn Dental [4006] | $513 | 7657% |
| Hsn Partial [4002] | $513 | 7657% |
| Hsn [4001] | $513 | 7657% |