Gestational age (written with both weeks and days) is calculated using the best obstetrical estimated delivery date (EDD) based on the following formula: Gestational Age = (280 - (EDD - Reference Date))/ 7"
|Submitted By: Nedra Garrett / Centers for Disease Control and Prevention|
|Data Element Information|
|Use Case Description(s)|
|Use Case Description||The data elements above are based on commonly used terms across the industry. Many of these data elements are captured in maternity EHRs, are defined and endorsed by the American College of Obstetricians and Gynecologists (ACOG)2, and are represented in LOINC with Class=”OB.US/clinical”.
|Estimated number of stakeholders capturing, accessing using or exchanging||There are a large number of stakeholders, e.g., federal researchers and scientists, federal, state and local public health professionals, university-based researchers, clincians, health system administrators, private and public providers of health insurance, public and private-sector developers of new therapies and technologies.
|Link to use case project page||https://www.hl7.org/special/Committees/projman/searchableProjectIndex.cfm?action=edit&ProjectNumber=1398|
|Maturity of Use and Technical Specifications for Data Element|
|Current Use||Extensively used in production environments|
|Number of organizations/individuals with which this data element has been electronically exchanged||N/A|
|Restrictions on Standardization (e.g. proprietary code)||We are not aware of restrictions.
|Restrictions on Use (e.g. licensing, user fees)||We are not aware of restrictions.
|Privacy and Security Concerns||Pregnancy-related data, particularly pregnancy outcome, is sensitive and private information. It will be important to safeguard identifying information of individuals using current HIPAA standards.
|Estimate of Overall Burden||N/A|
|Other Implementation Challenges||N/A|