Lab tests CPT 82550 Outpatient

CK (creatine kinase) test cost in Napa, CA

In Napa, CA, 1 hospital lists a cash price for creatine kinase (CK) blood test, total: from $26.69 to $26.69, with a median of $26.69. Across California, the median is $87.36 at 211 hospitals.

Cash prices at 1 facility for code 82550, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$26.69Providence Queen of the Valley Medical Center
Median$26.69half of hospitals charge less
Highest$26.69in 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 Napa, CA.

median
Lowest $26.69Highest $463.59

Hospitals, cheapest first

HospitalCash priceList priceInsurers payOff list
Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC CREATINE KINASE TOTAL CDM File of Apr 1, 2026 · source file $26.69 $52.33 — 49%
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC CK TOTAL+1 more line at this price File of Apr 1, 2026 · source file $59.67 $117.00 — 49%
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC CK TOTAL+1 more line at this price File of Apr 1, 2026 · source file $463.59 $909.00 — 49%
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More
Off list How much lower the cash price is than the list price.

Outpatient: lowest $26.69, median $26.69, highest $26.69.

As an inpatient, the same code is billed by 1 facility here, median $26.69. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

What it is

A creatine kinase (CK) test measures an enzyme released when muscle is damaged. It is used for muscle pain or weakness, after crush injuries or extreme exercise, and in people on statins with muscle symptoms.

What the price covers

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