T45.91XS ICD-10-CM Code: Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), sequela
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T45.91XSPoisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), sequela
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T45.91XS 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 T45
Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified
- 4
Subcategory T45.91
Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional)
- 5
Code T45.91XS
Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), sequela
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T45.91XS.
Code first
No “code first” instruction is listed for T45.91XS.
Use additional code
No “use additional code” instruction is listed for T45.91XS.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T45.91XS.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T45.91XS.
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 T45.91XS mean?
T45.91XS is the FY 2027 U.S. ICD-10-CM code for “Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), sequela.”
Is T45.91XS a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T45.91XS 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 T45.91XS located in ICD-10-CM?
T45.91XS 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 T45, Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified and subcategory T45.91, Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional).
What coding notes are listed for T45.91XS?
No inclusion terms are listed for T45.91XS in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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