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
Phosphorus Serum
Fort Wayne, IN
See all hospitals reporting CPT 84100 →Price type
IOM Health System LP’s median price of $5 is 46% below the median hospital's median price ($9), higher than 16% of the 2,505 hospitals reporting CPT 84100. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Apr 1, 2026
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