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
Co57 cyano
Castro Valley, CA
See all hospitals reporting HCPCS A9559 →Price type
Eden Medical Center’s median price of $712 is 169% above the median hospital's median price ($265), higher than 93% of the 814 hospitals reporting HCPCS A9559. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Apr 1, 2026
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