T36.6X3A Poisoning by rifampicins, assault, initial encounter

ICD-10-CM T36.6X3A: Poisoning by rifampicins, assault, initial encounter

ICD-10-CM code T36.6X3A identifies an initial encounter for poisoning by rifampicins when the cause is assault. The concept belongs to the Injury or Poisoning semantic type and is an active terminology record. This code is distinct from undetermined intent poisoning codes within the same classification. 1 2 3

Plain-language overview

Code T36.6X3A is an active ICD-10-CM terminology record representing an injury or poisoning event involving rifampicins, specifically when the poisoning is due to assault during an initial encounter. 1 3

What this code represents

The official preferred name for T36.6X3A is poisoning by rifampicins, assault, initial encounter, and its designated semantic type is Injury or Poisoning. 1 3

Coding details

Code T36.6X3A is a narrower concept under the parent code T36.6X3, which denotes poisoning by rifampicins due to assault without specifying the encounter. 1

Code T36.6X3A is distinct from code T36.6X4A, which represents an initial encounter for poisoning by rifampicins when the intent is undetermined rather than assault. 2

Documentation considerations

The official terminology record for T36.6X3A specifies the concepts of rifampicins, assault, and initial encounter, which are the distinct elements present in the code's preferred name. 1 2

What the sources add

One terminology record confirms the code is active for the 2026 ICD-10-CM version, while a state public health listing includes the exact code and its preferred name among violent injury codes. 1 2

The terminology records classify T36.6X3A under the Injury or Poisoning semantic type, while the public health listing places this exact code alongside T36.6X4A, a code for undetermined intent. 1 2 3

Coverage and utilization context

A state public health listing includes T36.6X3A within a document titled Violent Injury ICD-10 Inclusion Codes, providing a utilization context for injury tracking. 2

Questions to verify

The supplied sources do not establish the specific clinical symptoms of rifampicin poisoning, the required clinical documentation for assault cases, or the treatment protocols for affected patients. 1 2 3

Sources

1. ICD-10-CM T36.6X3A terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Violent Injury ICD-10 Inclusion Codes — dph.illinois.gov; accessed 2026-07-27.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.