Codes
Definitions for the classification codes behind each dataset, like ICD-10, so you know exactly what a number counts.
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Codes used by our datasets
| Code | System | Meaning | Dataset |
|---|---|---|---|
| T40.0-T40.4, T40.6 | ICD-10 (WHO) | Opioids | Provisional Drug Overdose Death Counts |
| T40.4 | ICD-10 (WHO) | Synthetic opioids (mainly fentanyl), excl. methadone | Provisional Drug Overdose Death Counts |
| T40.1 | ICD-10 (WHO) | Heroin | Provisional Drug Overdose Death Counts |
| T40.2 | ICD-10 (WHO) | Natural & semi-synthetic opioids (e.g. oxycodone) | Provisional Drug Overdose Death Counts |
| T40.3 | ICD-10 (WHO) | Methadone | Provisional Drug Overdose Death Counts |
| T43.6 | ICD-10 (WHO) | Psychostimulants (mainly methamphetamine) | Provisional Drug Overdose Death Counts |
| T40.5 | ICD-10 (WHO) | Cocaine | Provisional Drug Overdose Death Counts |
Mortality data uses the WHO's ICD-10. Hospital and billing data uses ICD-10-CM, a more detailed US version. The same code can mean different things in each, so Dathren keeps them separate.
Code systems
| System | Covers | Publisher | Status |
|---|---|---|---|
| ICD-10-CM | US diagnoses | CDC | Planned |
| ICD-10 (WHO) | Causes of death | WHO | Planned |
| ICD-10-PCS | Hospital procedures | CMS | Planned |
| HCPCS Level II | Supplies, drugs, and services | CMS | Planned |
| NDC | Drug products | FDA | Planned |
| FIPS | States and counties | Census Bureau | Planned |
| LOINC | Lab tests | Regenstrief Institute | Planned |