2025 ICD-10-CM code Z3A.20
20 weeks gestation of pregnancy.
Medical necessity for the use of Z3A.20 is established by the pregnancy status and the reason for the healthcare encounter.
This code is used by healthcare providers, such as obstetricians, family physicians, midwives, and nurse practitioners, to document the pregnancy status during patient encounters.
- 21 (Factors influencing health status and contact with health services (Z00-Z99))
- Persons encountering health services in circumstances related to reproduction (Z30-Z3A)
In simple words: This code indicates that you are 20 weeks pregnant.
This code is used to document a patient encounter for a pregnancy at 20 weeks gestation.It is typically used in conjunction with other codes to fully describe the encounter.
Example 1: A pregnant woman at 20 weeks gestation presents for a routine prenatal checkup., A pregnant woman at 20 weeks gestation presents with concerns about fetal movement., A pregnant woman at 20 weeks gestation undergoes an ultrasound for fetal anatomy evaluation.
Documentation should include the estimated date of delivery (EDD), clinical findings related to the pregnancy, and any relevant diagnostic or therapeutic procedures performed.
** For institutional inpatient delivery claims with a gestational age of 20 weeks or greater, a birthweight is required. This applies to single, twin, and triplet births, and includes both sick and well babies.
- Payment Status: Active
- Specialties:Obstetrics and Gynecology, Family Medicine, Midwifery
- Place of Service:Office, Outpatient Hospital, Inpatient Hospital