AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2017 Issue 4; New/Revised ICD-10-CM Diagnosis Codes

Gestational Alloimmune Liver Disease

Code P78.84, Gestational alloimmune liver disease, has been created to describe gestational alloimmune liver disease (GALD). Previously, the ICD-10-CM did not have a specific code classification for GALD. GALD is a unique condition, which can present as severe hepatic injury/failure of the fetus and newborn. The onset is early, during fetal development. According to studies, sensitization of some women to a fetal liver antigen causes the development of specific antifetal liver IgG antibodies. When crossed over to the fetal circulation, these antibodies bind to the antigen and activate the terminal complement cascade resulting in hepatocyte injury. Fetal liver...

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