Highlights
Providing free resources and useful informations for Physicians,
Office Managers, Medical Billers and Medical Coders
What is the meaning of the CMS Medicare Claim Denial Reason Code?:
CO58, CO/58, CO-58

    What is the meaning of the CMS Medicare Claim Denial Reason
    Code?: CO58, CO/58, CO-58    -  Payment adjusted because
    treatment was deemed by the payer to have been rendered in an
    inappropriate or invalid place of service.



    What You Should DO:

    1. Check if you billed with the correct place of service.
    POS 11        Office
    POS 21        Inpatient
    POS 22        Outpatient
    POS 24        Surgery Center


    Useful References:  CPT Code Books, CMS Website (www.cms.gov), CCI
    Quarterly Updates, CPT Assistant Publications, Diagnosis Code Books