HomeDFY28ZZ DFY28ZZ Hyperthermia of Bile Ducts Short Description: Hyperthermia of Bile Ducts DFY28ZZ is from the 2021 edition of ICD-10-PCS procedure code, which is effective on October 1, 2020. DFY28ZZ code can be used in all HIPAA-covered transactions. Billable 2021 ICD-10-PCS Procedure Code [clear] Search Generic filters Hidden label Hidden label Hidden label Hidden label Tweet Pin It