Billng Rules For Surgery And ICU

Hello, I billed 99223,99291,33967,36215,75710 on same day. Mcr paid for all procedure codes except 99291.Denied for 99291 as " included in surgery". I used modifer 24 to 99291. Is this correct or not? so i am requesting for proper solution for this denial. Thank you.

re: Billng Rules For Surgery And ICU

Why is the same provider reporting 99223 for an initial visit/admit as well as 99291 for critical care?