Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes O00-O9A – Pregnancy, childbirth and the puerperium (O00-O9A) > 2024 ICD-10-CM Codes O30-O48 – Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) > 2024 ICD-10-CM Codes O30 – Multiple gestation (O30) > 2024 ICD-10-CM Codes O30.0 – Twin pregnancy (O30.0) > 2024 ICD-10-CM Codes O30.03 – Twin pregnancy, monochorionic/diamniotic (O30.03)