<status value="draft"/> <experimental value="true"/> <date value="2026-05-21"/> <publisher value="Asia eHealth Information Network (AeHIN)"/> <contact> <name value="Asia eHealth Information Network (AeHIN)"/> <telecom> <system value="url"/> <value value="https://www.asiaehealthinformationnetwork.org"/> </telecom> </contact> <contact> <name value="AeHIN Secretariat"/> <telecom> <system value="url"/> <value value="https://www.asiaehealthinformationnetwork.org"/> </telecom> </contact> <description value="Code system defining the timing of pregnancy relative to death, as specified in the Women of Reproductive Age section of the WHO Medical Certificate of Cause of Death (MCCoD), Frame B. These codes are used only when the deceased was confirmed to have been pregnant within the year preceding death. Consistent with WHO maternal death surveillance definitions and ICD-11 Chapter 18 coding rules."/> <jurisdiction> <coding> <system value="http://un.org"/> <code value="142"/> <display value="Asia"/> </coding> <coding> <system value="http://hl7.org"/> <code value="X1"/> <display value="Asia"/> </coding> </jurisdiction> <copyright value="Copyright 2026 AeHIN. Licensed under CC0-1.0."/> <caseSensitive value="false"/> <hierarchyMeaning value="is-a"/> <content value="complete"/> <count value="4"/> <concept> <code value="when-died"/> <display value="When she died"/> <definition value="The deceased was pregnant at the time of death. Corresponds to direct or indirect obstetric death per WHO definition."/> </concept> <concept> <code value="within-42-days"/> <display value="Within the 42 days preceding her death"/> <definition value="The deceased was pregnant within 42 days before death but was not pregnant at the time of death. Corresponds to the WHO puerperal period definition and late maternal death classification."/> </concept> <concept> <code value="43-days-to-1-year"/> <display value="Within 43 days up to 1 year preceding her death"/> <definition value="The deceased was pregnant between 43 days and 1 year before death. Corresponds to the WHO late maternal death surveillance window."/> </concept> <concept> <code value="timing-unknown"/> <display value="Exact pregnancy timing unknown"/> <definition value="It is known that the deceased was pregnant within the past year but the exact timing relative to death cannot be determined."/> </concept> </CodeSystem>

Generated Narrative: CodeSystem mccod-pregnancy-timing

This case-insensitive code system http://mccod.w3datanet.com/fhir/CodeSystem/mccod-pregnancy-timing defines the following codes in a Is-A hierarchy:

Code	Display	Definition
when-died	When she died	The deceased was pregnant at the time of death. Corresponds to direct or indirect obstetric death per WHO definition.
within-42-days	Within the 42 days preceding her death	The deceased was pregnant within 42 days before death but was not pregnant at the time of death. Corresponds to the WHO puerperal period definition and late maternal death classification.
43-days-to-1-year	Within 43 days up to 1 year preceding her death	The deceased was pregnant between 43 days and 1 year before death. Corresponds to the WHO late maternal death surveillance window.
timing-unknown	Exact pregnancy timing unknown	It is known that the deceased was pregnant within the past year but the exact timing relative to death cannot be determined.