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Table 1 ICD code groups used to identify admissions related to complications of injection drug use

From: Hospital admissions and mortality due to complications of injection drug use in two hospitals in Regina, Canada: retrospective chart review

ICD code group

ICD-10-CA codes

Description of the ICD-10-CA codes

Substance use

F11, F13, F14, F15, F16, F19

Mental and behavioral disorders due to opioids, sedatives/hypnotics, cocaine, other stimulants, hallucinogens, multiple drug use, and other psychoactive substances

Drug withdrawal or overdose

F10.3, F10.4, F11.3, F11.4, F12.3, F12.4, F13.3, F13.4, F14.3, F14.4, F15.3, F15.4, F16.3, F16.4, F17.3, F17.4, F18.3, F18.4, F19.3, F.19.4, T40, T42, T43, Y11-13

Withdrawal from various substances, overdose, or poisoning

Infectious sequelae of injection drug use

A40, A41, B24, B37.6, G06, G07, I26, I28, I33, I38, I39, I64, I65, I66, I71, I72, I74, I80, I81, I82, J85, K61, K65, K75, L02, L03, L04, L08, M00, M01, M46, M65, M86

Infectious sequela: sepsis, HIV disease, intracranial and intraspinal abscess, pulmonary embolism, other diseases of pulmonary vessels, endocarditis, stroke, occlusion or stenosis of precerebral arteries, cerebral artery occlusion, aortic aneurysm, other aneurysm, arterial embolism and thrombosis, phlebitis and thrombophlebitis, portal vein thrombosis and other venous thrombosis, embolism, lung/mediastinal abscess, anal or rectal region abscess, peritonitis, other inflammatory liver disease, cutaneous abscess, furuncle, carbuncle, cellulitis, acute lymphadenitis, other skin and subcutaneous tissue infection, pyogenic arthritis, inflammatory spondylopathies, abscess of tendon sheath, osteomyelitis

Methadone use

Z92.28

Personal history of other drug therapy (methadone)

Talc pneumoconiosis

J62.0

Pneumoconiosis due to Talc dust

  1. Admissions were included if the discharge summary had at least one ICD code from ICD groups listed:
  2. Substance Use AND Withdrawal or Overdose
  3. Substance Use AND Infectious Sequela
  4. Methadone Use AND Withdrawal or Overdose
  5. Methadone Use AND Infectious Sequela
  6. Talc Pneumoconiosis