T40
Non-billablePoisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
T40 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]. It is a non-billable category code — use a more specific child code such as T40.0 for billing.
- Status
- Header (non-billable)
- Chapter
- S00-T88
- Subcodes
- 10
- Edition
- FY2026
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHMost of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies. What is a drug interaction? A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements…
Read more about Drug Reactions at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
Medications indicated for this condition
FDA labeling- NaloxonePartial Opioid Agonist/Antagonist [EPC]›
- Nalmefene›
- Naloxone Hci›
- Naloxone Hydrochloride Nasal›
- Nalxone Hydrochloride›
- Narcan Naloxone Hci›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Benefits & assistance programs
Federal & state- AIDS Drug Assistance Program (ADAP)›
- AIDS Education and Training Centers (AETC) ProgramHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- Coordinated Services and Access to Research for Women, Infants, Children, and YouthHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- Ending the HIV Epidemic: A Plan for America — Ryan White HIV/AIDS Program Parts A and BHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- Grants to Provide Outpatient Early Intervention Services with Respect to HIV DiseaseHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- HIV Care Formula GrantsHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- HIV Emergency Relief Project GrantsHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- HIV-Related Training and Technical AssistanceHEALTH RESOURCES AND SERVICES ADMINISTRATION›
- Housing Opportunities for Persons with AIDSASSISTANT SECRETARY FOR COMMUNITY PLANNING AND DEVELOPMENT›
- Special Projects of National SignificanceHEALTH RESOURCES AND SERVICES ADMINISTRATION›
Assistance programs whose eligibility maps to this condition's category. Informational only — eligibility is determined by the administering agency.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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