Lab tests CPT 84100 Inpatient — admitted to hospital

Phosphorus test cost in Kalispell, MT — inpatient

In Kalispell, MT, 1 hospital lists a cash price for phosphorus (phosphate) blood test as an inpatient: from $8.45 to $8.45, with a median of $8.45. Across Montana, the median is $51.83 at 21 hospitals.

Cash prices at 1 facility for code 84100, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$8.45Logan Health Medical Center
Median$8.45half pay less
Highest$8.45in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Kalispell, MT.

median
Lowest $8.45Highest $17.06

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Logan Health Medical Center lowest Kalispell, MT · (406) 752-5111 ASSAY PHOSPHORUS $8.45 $13.00 — 35% Apr 1, 2026
source file
Logan Health Medical Center Kalispell, MT · (406) 752-5111 CHEM-PHOSPHORUS $17.06 $26.25 — 35% Apr 1, 2026
source file

Inpatient: lowest $8.45, median $8.45, highest $8.45.

As an outpatient, the same code is billed by 1 facility here, median $8.45 — that is the price to compare if you are not being admitted.

What it is

A phosphorus test measures phosphate in the blood. It is used with calcium for kidney disease, bone disease and parathyroid problems.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.