Electrolyte panel cost in Portland, ME — inpatient
In Portland-South Portland, ME, 5 hospitals list a cash price for electrolyte panel (sodium, potassium, chloride, CO2) as an inpatient: from $20.80 to $180.75, with a median of $125.05. The lowest listed price is at Northern Light Mercy Hospital — $104.25 less than the median here. Across Maine, the median is $53.50 at 28 hospitals.
Cash prices at 5 facilities across 4 cities for code 80051, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Sep 9, 2025 and Sep 9, 2025.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Portland-South Portland, ME.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Northern Light Mercy Hospital lowest Portland, ME · (207) 879-3000 ELECTROLYTE PANEL | $20.80 | $80.00 | $52.00–$59.68 | 74% | — source file |
| Northern Light Mercy Hospital lowest Portland, ME · (207) 879-3000 ELECTROLYES-Q | $20.80 | $80.00 | $52.00–$59.68 | 74% | — source file |
| York Hospital York, ME · (207) 351-2478 W ELECTROLYTE PANEL, SERUM (WELLS | $47.40 | $79.00 | — | 40% | — source file |
| York Hospital York, ME · (207) 351-2478 ELECTROLYTE PANEL, SERUM | $107.40 | $179.00 | — | 40% | — source file |
| Southern Maine Medical Center Biddeford, ME · (207) 662-0111 HC ELECTROLYTE PANEL | $125.05 | $125.05 | $91.99–$117.55 | — | Sep 9, 2025 source file |
| Southern Maine Medical Center Biddeford, ME · (207) 662-0111 HC ELECTROLYTE PANEL POC | $125.05 | $125.05 | $91.99–$117.55 | — | Sep 9, 2025 source file |
| MaineHealth Mid Coast Hospital Brunswick, ME · (207) 729-0181 HC ELECTROLYTE PANEL | $164.75 | $164.75 | $116.31–$155.52 | — | Sep 9, 2025 source file |
| MaineHealth Mid Coast Hospital Brunswick, ME · (207) 729-0181 HC ELECTROLYTE PANEL POC | $164.75 | $164.75 | $116.31–$155.52 | — | Sep 9, 2025 source file |
| MaineHealth Maine Medical Center Portland, ME · (207) 662-0111 B* HC ELECTROLYTE PANEL POC | $180.75 | $180.75 | $132.96–$169.91 | — | Sep 9, 2025 source file |
| MaineHealth Maine Medical Center Portland, ME · (207) 662-0111 B* HC ELECTROLYTE PANEL | $180.75 | $180.75 | $132.96–$169.91 | — | Sep 9, 2025 source file |
Inpatient: lowest $20.80, median $125.05, highest $180.75 — a 8.7× difference within the same market.
As an outpatient, the same code is billed by 6 facilities here, median $86.23 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 1 of 4 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
An electrolyte panel measures sodium, potassium, chloride and bicarbonate (CO2) in one blood sample. It checks fluid and acid balance in people with vomiting, diarrhea, kidney problems or on diuretics.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.