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
HB Valproic Acid Level
Winfield, IL
See all hospitals reporting CPT 80164 →Price type
Northwestern Medicine Central DuPage Hospital’s median price of $139 is 479% above the median hospital's median price ($24), higher than 92% of the 2,489 hospitals reporting CPT 80164. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Apr 1, 2026
See Valproic acid (total) blood test pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.