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Female—hypertensive disorder during pregnancy indicator, yes/no/not stated/inadequately described code N

Identifying and definitional attributes

Metadata item type:Help on this termData Element
Short name:Help on this termHypertension during pregnancy
METeOR identifier:Help on this term673583
Registration status:Help on this termHealth, Standard 02/08/2017
Definition:Help on this term

An indicator of whether a female has a hypertensive disorder during pregnancy, based on a current or previous diagnosis, as represented by a code.

Data Element Concept:Female—hypertensive disorder during pregnancy indicator

Value domain attributes

Representational attributes

Representation class:Help on this termCode
Data type:Help on this termNumber
Format:Help on this termN
Maximum character length:Help on this term1
Permissible values:Help on this term
ValueMeaning
1Yes
2No
Supplementary values:Help on this term
9Not stated/inadequately described

Collection and usage attributes

Guide for use:Help on this term

CODE 9    Not stated/inadequately described

This code is not for use in primary data collections.

Data element attributes

Collection and usage attributes

Guide for use:Help on this term

CODE 1   Yes

To be reported if a female has a hypertensive disorder during this pregnancy, including where a female's hypertensive disorder is controlled through treatment during this pregnancy.

CODE 2   No

To be reported if a female does not have a hypertensive disorder during this pregnancy.

CODE 9   Not stated/inadequately described

To be recorded by data entry personnel (state/territory health authority) if the data field is left blank or is inadequately completed in the perinatal data collection form or extract. Clinicians should not record Code 9.

Collection methods:Help on this term

Based on Society of Obstetric Medicine of Australia and New Zealand (SOMANZ) Guideline for the Management of Hypertensive Disorders of Pregnancy (Lowe et al. 2014), normal pregnancy is characterised by a fall in blood pressure, detectable in the first trimester and usually reaching a nadir in the second trimester. Blood pressure rises towards pre-conception levels by term.

Hypertension in pregnancy is defined as:

1. Systolic blood pressure greater than or equal to 140 mmHg and/or

2. Diastolic blood pressure greater than or equal to 90 mmHg.

Measurements should be confirmed by repeated readings over several hours.

The diagnosis is preferably derived from and substantiated by clinical documentation which should be reviewed at the time of delivery. However this information may not be available in which case the patient may self-report to the clinician that they have been diagnosed with a hypertensive disorder.

Source and reference attributes

Submitting organisation:Help on this term

Australian Institute of Health and Welfare

Reference documents:Help on this term

Lowe SA, Bowyer L, Lust K, McMahon LP, Morton MR, North RA et al. 2014. Guideline for the management of hypertensive disorders of pregnancy. Society of Obstetric Medicine of Australia and New Zealand.

Relational attributes

Related metadata references:Help on this term

Has been superseded by Female—hypertensive disorder during pregnancy indicator, yes/no/not stated/inadequately described code N Health, Standardisation pending 17/09/2019

Supersedes Female—hypertensive disorder during pregnancy indicator, yes/no/not stated/inadequately described code N Health, Superseded 02/08/2017

See also Female—type of hypertensive disorder during pregnancy, code N Health, Superseded 12/12/2018

See also Female—type of hypertensive disorder during pregnancy, code N Health, Standard 12/12/2018

Implementation in Data Set Specifications:Help on this term
All attributes +

Perinatal NBEDS 2018-19 Health, Superseded 12/12/2018

DSS specific attributes +

Perinatal NBEDS 2019–20 Health, Standard 12/12/2018

DSS specific attributes +
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