In contrast, when urine exchange can be established based on steroid profile and/or DNA evidence across multiple Samples, the APMU  shall report the finding of confirmed urine exchange to the Passport Custodian, who shall proceed with Results Management according to Code Article 2.2 [6]]        ABP Operating Guidelines  – Version 9.0 – July 2023  Page 81/91 8.5 Analysis of Steroid Esters  When blood Samples  demonstrate atypical or suspicious steroid Markers , or have been collected during the same Sample  Collection Session as urine Samples  identified with an atypical or suspicious “steroid profile”, the APMU , in consultation with the Passport Custodian, should consider requesting analysis to detect the presence of Steroid Ester(s) in the associated blood Samples .