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 NM CO57 CYANO =< 1 UCI
Chicago, IL
See all hospitals reporting HCPCS A9559 →Price type
Presence Chicago Hospitals Network’s median price of $366 is 38% above the median hospital's median price ($265), higher than 72% of the 814 hospitals reporting HCPCS A9559. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Last updated: Jan 1, 2026
See Cobalt-57 vitamin B12 absorption test dose pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.