Table 2 Opioid adverse effect codes used in combination with related diagnostic codes used to identify overdoses. To meet criteria, a case had to include one diagnosis from category A and one more diagnoses from category B on the same date
Diagnostic category | Diagnosis | ICD 9 code | ICD 10 code | HCPCS code |
|---|---|---|---|---|
A | Adverse effects of heroin | E935.0 | ||
A | Adverse effects of methadone | E935.1 | ||
A | Adverse effects of other opioids and related narcotics | E935.2 | ||
A | COD: Adverse effects of opioids and related analgesics | Y45.0 | ||
B | Mixed acid–base balance disorder | 276.4 | ||
B | Drug-induced psychotic disordersa | 292.1 | ||
B | Drug-induced delirium | 292.81 | ||
B | Drug-induced mental disorderb | 292.8 | ||
B | Pneumonia, organism unspecified | 486 | ||
B | Chronic airway obstruction, not elsewhere classified | 496 | ||
B | Acute respiratory failure | 518.81 | ||
B | Other pulmonary insufficiency, not elsewhere classified | 518.82 | ||
B | Rhabdomyolysis | 728.88 | ||
B | Alteration of consciousness | 780.0 | ||
B | Altered mental state | 780.97 | ||
B | Apnea | 786.03 | ||
B | Shortness of breath | 786.05 | ||
B | Dyspnea and respiratory abnormalities—other | 786.09 | ||
B | Painful respiration | 786.52 | ||
B | Asphyxia and hypoxemia | 799.0 | ||
B | Poisoning by opiate antagonists | 970.1 | ||
B | Suicide and self-inflicted injury | E950–E959 | ||
B | Assault by drugs and medicinal substances | E962.0 | ||
B | Injection, Naloxone Hydrochloride | J2310 |