Product of birth—birthweight, code N

Identifying and definitional attributes
Metadata item type:	Data Element
Short name:	Birth weight of baby
METEOR identifier:	709560
Registration status:	Health, Standard 12/12/2018 Indigenous, Superseded 14/07/2021
Definition:	The first weight of the live born or stillborn baby obtained after birth, or the weight of the neonate or infant on the date admitted if this is different from the date of birth, as represented by a code.
Data Element Concept:	Product of birth—birthweight
Value Domain:	Birth weight code N

Value domain attributes
Representational attributes
Representation class:	Code
Data type:	Number
Format:	N
Maximum character length:	1
	Value	Meaning
Permissible values:	1	Low birth weight (less than 2,500 grams)
	2	Normal birth weight (2,500 grams to less than 4,500 grams)
	3	High birth weight (4,500 grams and over)
Supplementary values:	8	Unknown birth weight

Source and reference attributes
Submitting organisation:	Australian Institute of Health and Welfare (AIHW)

Data element attributes
Collection and usage attributes
Guide for use:	For live births, birthweight should preferably be measured within the first hour of life before significant postnatal weight loss has occurred. In perinatal collections the birthweight is to be provided for live born and stillborn babies.
Source and reference attributes
Submitting organisation:	Australian Institute of Health and Welfare (AIHW)
Relational attributes
Related metadata references:	Supersedes Birth—birth weight, code N Health, Superseded 12/12/2018 Indigenous, Superseded 02/04/2019 Has been superseded by Product of birth—birthweight, code N Indigenous, Standard 14/07/2021
Implementation in Data Set Specifications: All attributes +	Indigenous primary health care NBEDS 2019–20 Health, Superseded 16/01/2020 Indigenous, Superseded 14/07/2021 DSS specific attributes + Implementation start date: 01/07/2019 Implementation end date: 30/06/2020 DSS specific information: In the Indigenous primary health care NBEDS, birth weight is defined as the first weight of a baby obtained after birth. The birth weight is that which is recorded as birth weight by services on their Patient Information Referral Systems (PIRS). The date of admission is not relevant for this NBEDS. This item is only collected for infants born during the preceding 12 months. Indigenous primary health care NBEDS 2020–21 Health, Retired 13/10/2021 DSS specific attributes + Implementation start date: 01/07/2020 Implementation end date: 30/06/2021 Conditional obligation: Reporting of this data element is conditional on a CODE 1 response to 'Pregnancy—birth plurality, code N'. This item is only collected for live singleton babies born during the preceding 12 months. DSS specific information: In the Indigenous primary health care NBEDS, birth weight is defined as the first weight of a baby obtained after birth. The birth weight is that which is recorded as birth weight by services on their Patient Information Referral Systems (PIRS). The date of admission is not relevant for this NBEDS.
Implementation in Indicators:	Used as Numerator Indigenous primary health care: PI02a-Number of Indigenous babies born within the previous 12 months whose birthweight results were low, normal or high, June 2020 Health, Retired 13/10/2021 Indigenous, Superseded 14/07/2021 Indigenous primary health care: PI02b-Proportion of Indigenous babies born within the previous 12 months whose birthweight results were low, normal or high, June 2020 Health, Retired 13/10/2021 Indigenous, Superseded 14/07/2021 Indigenous-specific primary health care: PI02a-Number of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, December 2021 Indigenous, Superseded 12/06/2023 Indigenous-specific primary health care: PI02a-Number of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, December 2022 Indigenous, Standard 27/08/2023 Indigenous-specific primary health care: PI02a-Number of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, June 2021 Indigenous, Superseded 06/11/2022 Indigenous-specific primary health care: PI02a-Number of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, June 2022 Indigenous, Superseded 27/08/2023 Indigenous-specific primary health care: PI02a-Number of Indigenous babies born within the previous 12 months who have a birthweight result within specified categories, December 2020 Indigenous, Superseded 03/07/2022 Indigenous-specific primary health care: PI02b-Proportion of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, December 2021 Indigenous, Superseded 12/06/2023 Indigenous-specific primary health care: PI02b-Proportion of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, December 2022 Indigenous, Standard 27/08/2023 Indigenous-specific primary health care: PI02b-Proportion of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, June 2021 Indigenous, Superseded 06/11/2022 Indigenous-specific primary health care: PI02b-Proportion of Indigenous babies born within the previous 12 months who attended the organisation more than once, and who have a birthweight result within a specified category, June 2022 Indigenous, Superseded 27/08/2023 Indigenous-specific primary health care: PI02b-Proportion of Indigenous babies born within the previous 12 months who have a birthweight result within specified categories, December 2020 Indigenous, Superseded 03/07/2022