T40 Non-Billable Code
Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
Chapter Classification
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
Section Detail
T36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Coding Guidelines & Notes
excludes2
- drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-)
sevenChrDef
- {'char': 'A', 'text': 'initial encounter'}
- {'char': 'D', 'text': 'subsequent encounter'}
- {'char': 'S', 'text': 'sequela'}
sevenChrNote
- The appropriate 7th character is to be added to each code from category T40
More Specific Diagnosis Codes
This code is not billable as it requires a higher level of specificity. Select a more specific code below.
- T40.0 - Poisoning by, adverse effect of and underdosing of opium
- T40.1 - Poisoning by and adverse effect of heroin
- T40.2 - Poisoning by, adverse effect of and underdosing of other opioids
- T40.3 - Poisoning by, adverse effect of and underdosing of methadone
- T40.4 - Poisoning by, adverse effect of and underdosing of other synthetic narcotics
- T40.5 - Poisoning by, adverse effect of and underdosing of cocaine
- T40.6 - Poisoning by, adverse effect of and underdosing of other and unspecified narcotics
- T40.7 - Poisoning by, adverse effect of and underdosing of cannabis (derivatives)
- T40.8 - Poisoning by and adverse effect of lysergide [LSD]
- T40.9 - Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens]
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