ICD-10 coding for pregnancy is divided into three phases: before pregnancy, during pregnancy, and after pregnancy. Here are the codes for each phase:
Before Pregnancy:
Z31.41 – Encounter for Procreative Management
Z31.42 – Encounter for Fertility Testing
Z31.43 – Encounter for Gamete Intrafallopian Transfer (GIFT)
Z31.44 – Encounter for In Vitro Fertilization (IVF)
During Pregnancy:
O09.211 – Supervision of pregnancy with history of ectopic pregnancy, first trimester
O09.212 – Supervision of pregnancy with history of ectopic pregnancy, second trimester
O09.213 – Supervision of pregnancy with history of ectopic pregnancy, third trimester
O09.22 – Supervision of high-risk pregnancy due to other medical conditions
O09.29 – Supervision of other high-risk pregnancies
After Pregnancy:
O86.11 – Infection of obstetric surgical wound, first trimester
O86.12 – Infection of obstetric surgical wound, second trimester
O86.13 – Infection of obstetric surgical wound, third trimester
O86.19 – Infection of obstetric surgical wound, unspecified trimester
O86.21 – Urinary tract infection following delivery, first trimester
O86.22 – Urinary tract infection following delivery, second trimester
O86.23 – Urinary tract infection following delivery, third trimester
O86.29 – Urinary tract infection following delivery, unspecified trimester