T40.993A ICD-10-CM Code: Poisoning by other psychodysleptics [hallucinogens], assault, initial encounter
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T40.993APoisoning by other psychodysleptics [hallucinogens], assault, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T40.993A sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- 3
Category T40
Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
- 4
Subcategory T40.993
Poisoning by other psychodysleptics [hallucinogens], assault
- 5
Code T40.993A
Poisoning by other psychodysleptics [hallucinogens], assault, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T40.993A.
Code first
No “code first” instruction is listed for T40.993A.
Use additional code
No “use additional code” instruction is listed for T40.993A.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T40.993A.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T40.993A.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T40.993A mean?
T40.993A is the FY 2027 U.S. ICD-10-CM code for “Poisoning by other psychodysleptics [hallucinogens], assault, initial encounter.”
Is T40.993A a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T40.993A has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is T40.993A located in ICD-10-CM?
T40.993A is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) (T36–T50), under category T40, Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens] and subcategory T40.993, Poisoning by other psychodysleptics [hallucinogens], assault.
What coding notes are listed for T40.993A?
No inclusion terms are listed for T40.993A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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