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
HC Pulmonary Quant Diff Function
Walnut Creek, CA
See all hospitals reporting CPT 78598 →Price type
John Muir Health’s median price of $676 is 10% below the median hospital's median price ($752), higher than 42% of the 1,964 hospitals reporting CPT 78598. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Mar 23, 2026
See Lung blood flow and airflow scan pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.