Appendix Table 1
Clinical diagnoses and ICD-9 diagnosis codes identified in LCH* chart review of patients who attended Lollapalooza in 2014†
ICD-9 Code Clinical Diagnosis 794.31 Abnormal ECG
303.0 Acute alcohol intoxication V69.8 Alcohol ingestion
291.4 Alcohol intoxication 980.0 Alcohol poisoning 995.0 Anaphylactic reaction 995.0 Anaphylaxis
682.6 Cellulitis and abscess of leg 790.3 Elevated ETOH level 980.0 Ethanol poisoning 251.2 Hypoglycemia 799.89 Intoxication
300.9 Psychiatric problem 780.2 Syncopal episodes
780.2 Syncope
*Lurie Children’s Hospital
†The EHR was searched for patients 11-20 then reviewed for documentation of attendance at Lollapalooza. Clinical diagnoses and ICD-9 codes in the Table were assigned at the time of the visit and identified when charts were reviewed.
Appendix Table 2
Illinois COMPdata* alcohol-related and drug-related ICD-9 diagnosis codes and external cause of injury codes (E-codes) used to identify adolescent visits (ages 11-20) to Chicago hospitals in 2014
Alcohol Codes Description Drug Codes Description
303.0x Acute alcoholic intoxication 305.3x Hallucinogen abuse
303.9x Other and unspecified alcohol dependence 305.4x Sedative, hypnotic or anxiolytic abuse
305.0x Alcohol abuse 305.5x Opioid abuse
977.3 Poisoning by other and unspecified drugs and medicinal substances-- Alcohol deterrents
305.6x Cocaine abuse
980.8 Toxic effect of alcohol- Other specified alcohols
305.7x Amphetamine or related acting sympathomimetic abuse 980.9 Toxic effect of alcohol- Unspecified alcohol 305.8x Antidepressant type abuse
E860.0 Accidental poisoning by alcohol, not elsewhere classified--Alcoholic beverages
305.9x Other, mixed, or unspecified drug abuse E860.9 Accidental poisoning by alcohol, not
elsewhere classified--Unspecified alcohol
E850.x Accidental poisoning by analgesics, antipyretics, and anti- rheumatics
E851.x Accidental poisoning by barbiturates
E852.x Accidental poisoning by other sedatives and hypnotics E853.x Accidental poisoning by tranquilizers
E854.x Accidental poisoning by other psychotropic agents
E855.x Accidental poisoning by other drugs acting on central and autonomic nervous system
*Illinois Hospital Association COMPdata for emergency department visits and inpatient hospitalizations (excludes Veterans Administration hospitals)
