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Data Element Detail

Episode of care-principal diagnosis code (ICD-10-AM 1st edn)
Identifying and Definitional Attributes
QH 041644 v1
Data Element
Data Element
Current
01-Jul-1999		Superseded
30-Jun-2000
Standard
01-Jul-1999
30-Jun-2000
The 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 a health care establishment, as represented by a code.
Health services: used for epidemiological research, casemix studies and planning purposes.
Principal diagnosis (ICD-10-AM)
PD
Representational Attributes
Character
Code
ANN{.N[N]}
3
6
Permissible Values

Permissible_values

A valid 1st edition code from the corporate reference data system (CRDS) ICD-10-AM data set maintained by Statistical Standards and Strategies, Health Statistics Unit.
Supplementary Values

Supplemenary_values

-
Collection and Usage Attributes
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 1st 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 951Z, 955Z and 956Z 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.
Must be a valid ICD-10-AM 1st edition code.
ICD-10-AM codes are validated against a number of national and state edits (e.g. age, sex, cannot be PD, rare, comb, CPoA, etc) to improve coding quality.
A principal diagnosis should be recorded and coded upon separation, for each episode of patient care. The principal diagnosis is derived from and must be substantiated by clinical documentation.

Queensland Hospital Admitted Patient Data Collection (QHAPDC):
The principal diagnosis should be sequenced first in the string of codes.
Punctuation is excluded in QHAPDC.
A Principal diagnosis should be recorded for each episode of patient care. Where the principal diagnosis is recorded prior to discharge (as in annual census of public psychiatric hospital inpatients), it is the current provisional principal diagnosis. Only use the admission diagnosis when no other diagnostic information is available. The current provisional diagnosis may be the same as the admission diagnosis.
Although ICD-10-AM was released in Australia from 1 July 1998, Queensland supplied ICD-9-CM (2nd edn) data to the Australian Institute of Health and Welfare (AIHW) for 1998-99. The AIHW mapped the data to ICD-10-AM (1st edn).
Relational Attributes
Related Metadata References

Related Metadata References_IR

  • 1 - 9
ViewRelationshipMetadata Item TypeMetadata Item SubtypeNameIdentifier & VersionApproval Status
Has been superseded byData ElementData ElementEpisode of care-principal diagnosis code (ICD-10-AM 2nd edn)QH 041644 Version 2Superseded
Is used in the derivation ofData ElementData ElementDiagnosis related group (DSU calculated)QH 040144 Version 2Superseded
Is used in the derivation ofData ElementData ElementDiagnosis related group (Facility calculated)QH 040097 Version 2Superseded
Is used in the derivation ofData ElementData ElementMajor diagnostic category (DSU calculated)QH 040145 Version 2Superseded
Is used in the derivation ofData ElementData ElementMajor diagnostic category (Facility calculated)QH 040098 Version 2Superseded
Relates toData ElementData ElementDiagnostic code (ICD-10-AM)QH 040100 Version 2Superseded
Relates toData ElementData ElementEpisode of care-additional diagnosis code (ICD-10-AM 1st edn)QH 041646 Version 1Superseded
Relates toData ElementData ElementEpisode of care-morphology of neoplasm code (ICD-10-AM 1st edn)QH 041688 Version 1Superseded
Relates toData ElementData Element ConceptPrincipal diagnosisQH 040244 Version 1Superseded
Implementation in Metadata Sets

Implemented

  • 1 - 1
ViewMetadata Item TypeMetadata Item SubtypeNameIdentifer & VersionObligationApproval StatusEffective FromEffective To
Information AssetData CollectionQueensland Hospital Admitted Patient Data Collection (QHAPDC)QH 020001 Version 1MandatorySuperseded01-Jul-199930-Jun-2000
Source and Reference Attributes
CRDI; CRDI QHAPDC; Diagnosis; ICD-10-AM codes; PD; Principal diagnosis;