T40.99 - Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]
- Applicable to Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]
- The 2025 edition of ICD10-CM T40.99 became effective on October 1, 2024.
- This is the American ICD10-CM version of T40.99 - other international versions of ICD10 T40.99 may differ.
- T40.99 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- T40.99 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- T40.99 - Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]
- T40.99 - Poisoning by, adverse effect of and underdosing of other psychodysleptics [hallucinogens]
- T40.991 - Poisoning by other psychodysleptics [hallucinogens], accidental (unintentional)
- T40.992 - Poisoning by other psychodysleptics [hallucinogens], intentional self-harm
- T40.993 - Poisoning by other psychodysleptics [hallucinogens], assault
- T40.994 - Poisoning by other psychodysleptics [hallucinogens], undetermined
- T40.995 - Adverse effect of other psychodysleptics [hallucinogens]
- T40.996 - Underdosing of other psychodysleptics [hallucinogens]
Non-Billable/Non-Specific Code
The following codes above T40.99 contain annotation back-references that may be applicable to T40.99:
- Chapter: S00-T88 - Injury, poisoning and certain other consequences of external causes
- Section: T36-T50 - Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances
- Category: T40 - Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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