Depending on the information system used in the emergency department at a point in time, the diagnosis recorded according to one of three classification systems: the International Classification of Diseases, 9th revision (ICD-9), the International Classification of Diseases and Related Health Problems, 10th revision (ICD-10) or the Systematised Nomenclature of Medicine — Clinical Terms (SNOMED-CT).
Records are considered methamphetamine-related if the free text contains any of ' meth ', ' ice ' or 'metham' and the principal diagnosis is included in the following.
| Description | ICD-9 | ICD-10 | SNOMED-CT |
|---|---|---|---|
| Overdose/poisoning, acute alcohol problems, illicit drugs, and mental health problems PHREDSS syndromes |
290-316 (excl 293.0, 293.1, 305.1, 307.81), 535.3, 790.3, 799.2, 960-989 (excl 970.0-970.1, 989.5), E850-E869 (excl E854.4), E930-E952, E962, E972, E980-E982, E997.2, V62.82, V71.0 |
F00-F69 (excl F05, F56-F58), F84-F99, J68, K29.2, R44-R46, R78.0-R78.5, T36-T62, T64-T65, X40-X49, X60-X69, X85-X90, Y10-Y19, Y35.2, Y36.7, Y40-Y59, Y90-Y91, Z03.2, Z03.6, Z04.6, Z50.2, Z65.9, Z71.4, Z72.1-Z72.2, Z86.4 (excl Z86.43), Z86.5, Z91.5 |
SNOMED Concepts which map to specified ICD 10 classifications (as provided by the then National e-Health Transition Authority, now the National Clinical Terminology Service https://www.healthterminologies.gov.au/ operated by the Australian Digital Health Agency) |
Unplanned emergency department presentations only are included.