Encounter for antenatal screening of mother

**Includes:** - Encounter for placental sample (taken vaginally) - Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.

**Excludes1:** - diagnostic examination- code to sign or symptom - encounter for suspected maternal and fetal conditions ruled out (Z03.7-) - suspected fetal condition affecting management of pregnancy - code to condition in Chapter 15

**Excludes2:** - abnormal findings on antenatal screening of mother (O28.-) - genetic counseling and testing (Z31.43-, Z31.5) - routine prenatal care (Z34)