Data Element
Gestational Age Determination Method
Description

Method for estimating gestational age, e.g., ultrasound, date of LMP.
Submitted By: Sarah Gaunt / The Association of Public Health Laboratories (APHL)
Data Element Information
Use Case Description(s)
Use Case Description This data element is used in electronic case reporting (eCR) which provides case reports to state, tribal, local, or territorial (STLT) public health agencies (PHA) for reportable diseases and conditions. Submission of reports of persons with these conditions is required by law in every US State and Territory. Public health epidemiologists have identified the data elements necessary to be included in electronic case reports from healthcare organizations and providers. The transition is underway from providing these reports via fax, mail, email, or phone to using data available in the electronic health records to submit reports electronically to all PHAs. Once received at the PHA, this data is use for surveillance, case management and public health response efforts such as contact tracing or other mitigation efforts.

Specific to this data element: used to assess appropriate treatment and follow-up, appropriate for scoring/risk ascertainment.
Estimate the breadth of applicability of the use case(s) for this data element This data is exchanged as part of the extensive implementation of electronic case reporting (eCR) in the US; eCR is in broad implementation nationwide with thousands of reporting health care organizations.
Link to use case project page https://www.cdc.gov/ecr/index.html; https://ecr.aimsplatform.org/
ONC Priority
  • Address public health interoperability needs of reporting, investigation, and emergency response
Maturity of Use and Technical Specifications for Data Element
Applicable Standard(s) Value Set: Estimated Date of Delivery Including Method (https://vsac.nlm.nih.gov/valueset/2.16.840.1.113883.11.20.9.81/expansion)
Value Set: Pregnancy Status Determination Method (https://vsac.nlm.nih.gov/valueset/2.16.840.1.113883.11.20.9.80/expansion)
Postpartum Status (https://vsac.nlm.nih.gov/valueset/2.16.840.1.113883.11.20.9.87/expansion)
Additional Specifications HL7 CDA® R2 Implementation Guide: Public Health Case Report - the Electronic Initial Case Report (eICR) Release 2, STU Release 3.1 US Realm: Pregnancy Observation (SUPPLEMENTAL PREGNANCY)
HL7 FHIR® Implementation Guide: US Public Health Profiles Library 1.0.0 (based on FHIR R4) - US Realm (https://hl7.org/fhir/us/ph-library/StructureDefinition-us-ph-pregnancy-outcome-observation.html)
Current Use (Level 2) Captured, stored, or accessed in multiple production EHRs or other HIT modules from more than one developer
Extent of exchange (Level 2) Between more than two production EHRs or other HIT modules using available interoperability standards
Supporting Artifacts This data is exchanged as part of the extensive implementation of electronic case reporting (eCR) in the US; eCR is in broad implementation nationwide with thousands of reporting health care organizations.
Potential Challenges
Restrictions on Standardization (e.g. proprietary code) None.
Restrictions on Use (e.g. licensing, user fees) None.
Privacy and Security Concerns None.
Estimate of Overall Burden Medium.
ASTP Evaluation Details
Each submitted Data Element has been evaluated based on the following criteria. The overall Level classification is a composite of the maturity based on these individual criteria. This information can be used to identify areas that require additional work to raise the overall classification level and consideration for inclusion in future versions of USCDI
Criterion #1
Maturity - Current Standards		 Level 2 - Data element is represented by a terminology standard or SDO-balloted technical specification or implementation guide.
Criterion #2
Maturity - Current Use 		Level 2 - Data element is captured, stored, or accessed in multiple production EHRs or other HIT modules from more than one developer.
Criterion #3
Maturity - Current Exchange		 Level 2 - Data element is electronically exchanged between more than two production EHRs or other HIT modules of different developers using available interoperability standards.
Criterion #4
Use Case(s) - Breadth of Applicability		 Level 0 - Use cases apply to a limited number of care settings or specialties, or data element represents a specialization of other, more general data elements.
Evaluation Comment This data element represents a narrow use case already captured as Encounter Diagnosis metadata.

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