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Episode of care—principal diagnosis, code (ICD-10-AM 8th edn) ANN{.N[N]}

Identifying and definitional attributes

Metadata item type:Help on this termData Element
Short name:Help on this termPrincipal diagnosis—episode of care
METeOR identifier:Help on this term514273
Registration status:Help on this termHealth, Superseded 13/11/2014
Tasmanian Health, Endorsed 02/09/2016
National Health Performance Authority (retired), Not progressed 01/07/2016
Definition:Help on this termThe diagnosis established after study to be chiefly responsible for occasioning an episode of admitted patient care, an episode of residential care or an attendance at the health care establishment, as represented by a code.
Data Element Concept:Episode of care—principal diagnosis

Value domain attributes

Representational attributes

Classification scheme:International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification 8th edition
Representation class:Help on this termCode
Data type:Help on this termString
Format:Help on this termANN{.N[N]}
Maximum character length:Help on this term6

Data element attributes

Collection and usage attributes

Guide for use:Help on this term

The principal diagnosis must be determined in accordance with the Australian Coding Standards. Each episode of admitted patient care must have a principal diagnosis and may have additional diagnoses. The diagnosis can include a disease, condition, injury, poisoning, sign, symptom, abnormal finding, complaint, or other factor influencing health status.

As a minimum requirement the Principal diagnosis code must be a valid code from the current edition of ICD-10-AM.

For episodes of admitted patient care, some diagnosis codes are too imprecise or inappropriate to be acceptable as a principal diagnosis and will group to an error DRG in the Australian Refined Diagnosis Related Groups.

Diagnosis codes starting with a V, W, X or Y, describing the circumstances that cause an injury, rather than the nature of the injury, cannot be used as principal diagnosis. Diagnosis codes which are morphology codes cannot be used as principal diagnosis.

Collection methods:Help on this term

A principal diagnosis should be recorded and coded upon separation, for each episode of admitted patient care or episode of residential care or attendance at a health care establishment. The principal diagnosis is derived from and must be substantiated by clinical documentation.

Comments:Help on this termThe principal diagnosis is one of the most valuable health data elements. It is used for epidemiological research, casemix studies and planning purposes.

Source and reference attributes

Origin:Help on this term

National Centre for Classification in Health

National Data Standard for Injury Surveillance Advisory Group

Relational attributes

Related metadata references:Help on this term

Is used in the formation of Episode of admitted patient care—diagnosis related group, code (AR-DRG v 7.0) ANNA Tasmanian Health, Archived 06/09/2016

Supersedes Episode of care—principal diagnosis, code (ICD-10-AM 7th edn) ANN{.N[N]} Health, Superseded 02/05/2013, Tasmanian Health, Draft 23/07/2012, Commonwealth Department of Health, Candidate 16/07/2015, National Health Performance Authority (retired), Retired 01/07/2016

Has been superseded by Episode of care—principal diagnosis, code (ICD-10-AM 9th edn) ANN{.N[N]} Health, Superseded 05/10/2016, Tasmanian Health, Archived 10/07/2017, Independent Hospital Pricing Authority, Standard 16/03/2016

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

Acute coronary syndrome (clinical) NBPDS Health, Candidate 15/05/2017

Acute coronary syndrome (clinical) NBPDS 2013- Health, Standard 02/05/2013

DSS specific attributes +

Admitted patient care NMDS 2013-14 Health, Superseded 11/04/2014

DSS specific attributes +

Admitted patient care NMDS 2014-15 Health, Superseded 13/11/2014

DSS specific attributes +

Admitted patient mental health care NMDS 2013-14 Health, Superseded 15/10/2014

DSS specific attributes +

Admitted patient mental health care NMDS 2014-15 Health, Superseded 04/02/2015

DSS specific attributes +

Admitted patient palliative care NMDS 2013-14 Health, Superseded 15/10/2014

DSS specific attributes +

Admitted patient palliative care NMDS 2014-15 Health, Superseded 04/02/2015

DSS specific attributes +

Community mental health care NMDS 2013-14 Health, Superseded 07/03/2014

DSS specific attributes +

Community mental health care NMDS 2014-15 Health, Superseded 13/11/2014

DSS specific attributes +

Community mental health care NMDS 2015-16 Health, Superseded 04/09/2015

DSS specific attributes +

Residential mental health care NMDS 2013-14 Health, Superseded 07/03/2014

DSS specific attributes +

Residential mental health care NMDS 2014-15 Health, Superseded 13/11/2014

DSS specific attributes +

Residential mental health care NMDS 2015-16 Health, Superseded 04/09/2015

DSS specific attributes +
Implementation in Indicators:Help on this termUsed as numerator
Australian Atlas of Healthcare Variation 2018: Number of thyroidectomy hospitalisations per 100,000 people aged 18 years and over, 2014-15 to 2016-17 Australian Commission on Safety and Quality in Health Care, Standardisation pending 13/12/2018
Australian Atlas of Healthcare Variation: Number of acute myocardial infarction hospitalisations per 100,000 people, 35-84 years, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of acute myocardial infarction hospitalisations with coronary angiography per 100,000 people, 35-84 years, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of atrial fibrillation (any diagnosis) hospitalisations per 100,000 people, 35 years and over, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of atrial fibrillation (principal diagnosis) hospitalisations per 100,000 people, 35 years and over, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of cervical loop excision or cervical loop ablation hospitalisations per 100,000 women, aged 15 years and over, 2012-13 to 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of endometrial ablation hospitalisations per 100,000 women, aged 15 years and over, 2012-13 to 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of hysterectomy hospitalisations per 100,000 women, aged 15 years and over, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of lumbar spinal decompression (excluding lumbar spinal fusion) hospitalisations per 100,000 people aged 18 years and over, 2012-13 to 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of lumbar spinal fusion (excluding lumbar spinal decompression) hospitalisations per 100,000 people, aged 18 years and over, 2012-13 to 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of lumbar spinal fusion hospitalisations per 100,000 people, aged 18 years and over, 2012-13 to 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of potentially preventable hospitalisations - cellulitis, per 100,000 people, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of potentially preventable hospitalisations - chronic obstructive pulmonary disease, per 100,000 people, 2014–15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of potentially preventable hospitalisations - diabetes complications, per 100,000 people, 2014–15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of potentially preventable hospitalisations - heart failure, per 100,000 people, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Australian Atlas of Healthcare Variation: Number of potentially preventable hospitalisations - kidney and urinary tract infections per 100,000 people, 2014-15 Australian Commission on Safety and Quality in Health Care, Standard 07/06/2017
Indigenous Better Cardiac Care measure: 3.1-Hospitalised ST-segment-elevation myocardial infarction events treated by percutaneous coronary intervention, 2016 Health, Standard 17/08/2017
Indigenous Better Cardiac Care measure: 3.3-Hospitalised acute coronary syndrome events that included diagnostic angiography or definitive revascularisation procedures, 2016 Health, Standard 17/08/2017
Indigenous Better Cardiac Care measure: 3.5-Hospitalised acute myocardial infarction events that ended with death of the patient, 2016 Health, Standard 17/08/2017
Indigenous Better Cardiac Care measure: 6.1-Rates of hospitalisation for cardiac conditions, 2016 Health, Standard 17/08/2017
Indigenous Better Cardiac Care measure: 6.2-Mortality due to cardiac conditions, 2016 Health, Standard 17/08/2017
National Healthcare Agreement: PB f–By 2014–15, improve the provision of primary care and reduce the proportion of potentially preventable hospital admissions by 7.6 per cent over the 2006-07 baseline to 8.5 per cent of total hospital admissions, 2016 Health, Superseded 31/01/2017
National Healthcare Agreement: PB f–By 2014–15, improve the provision of primary care and reduce the proportion of potentially preventable hospital admissions by 7.6 per cent over the 2006-07 baseline to 8.5 per cent of total hospital admissions, 2017 Health, Superseded 30/01/2018
National Healthcare Agreement: PI 09–Incidence of heart attacks (acute coronary events), 2016 Health, Superseded 31/01/2017
National Healthcare Agreement: PI 09–Incidence of heart attacks (acute coronary events), 2017 Health, Superseded 30/01/2018
National Healthcare Agreement: PI 18–Selected potentially preventable hospitalisations, 2016 Health, Superseded 31/01/2017
National Healthcare Agreement: PI 18–Selected potentially preventable hospitalisations, 2017 Health, Superseded 30/01/2018
National Healthcare Agreement: PI 23–Unplanned hospital readmission rates, 2016 Health, Superseded 31/01/2017
National Healthcare Agreement: PI 23–Unplanned hospital readmission rates, 2017 Health, Superseded 30/01/2018
National Healthcare Agreement: PI 27–Number of hospital patient days used by those eligible and waiting for residential aged care, 2016 Health, Superseded 31/01/2017
National Healthcare Agreement: PI 27–Number of hospital patient days used by those eligible and waiting for residential aged care, 2017 Health, Superseded 30/01/2018
Used as denominator
Indigenous Better Cardiac Care measure: 3.1-Hospitalised ST-segment-elevation myocardial infarction events treated by percutaneous coronary intervention, 2016 Health, Standard 17/08/2017
Indigenous Better Cardiac Care measure: 3.3-Hospitalised acute coronary syndrome events that included diagnostic angiography or definitive revascularisation procedures, 2016 Health, Standard 17/08/2017
Indigenous Better Cardiac Care measure: 3.5-Hospitalised acute myocardial infarction events that ended with death of the patient, 2016 Health, Standard 17/08/2017
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