Appendix 1:

Coding System Identifiers

Coding SystemCodeDescription
Adverse cardiovascular event codes
    ICD-10F90ADHD
    ICD-10I48Atrial fibrillation
    ICD-10I49Arrhythmia
    ICD-10I50Congestive heart failure
    ICD-10I20; I22-I25Ischemic heart disease
    ICD-10I21Myocardial infarction
    ICD-10I63Stroke
Amphetamine-related medication codes
    RxNorm725Amphetamine
    RxNorm3288Dextroamphetamine
    RxNorm6816Methamphetamine
    RxNorm6901Methylphenidate
    RxNorm700810Lisdexamfetamine
Comorbidity diagnosis codes
    ICD-10E08-E13Diabetes (type I and type II)
    ICD-10I10Essential hypertension
Diagnostic testing codes
    LOINC9000Total cholesterol
    LOINC9001HDL
    LOINC9002LDL
    LOINC9037Hemoglobin A1c
    LOINC9083Body mass index
    LOINC9085Systolic blood pressure
    LOINC9086Diastolic blood pressure
  • ADHD, attention-deficient/hyperactivity disorder. HDL, high density lipoprotein cholesterol; ICD-10, International Classification of Diseases, Version 10; LDL, low density lipoprotein Cholesterol; LOINC, Logical Observation Identifiers Names and Codes.