T40.0X5D ICD-10-CM Code: Adverse effect of opium, subsequent 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
T40.0X5DAdverse effect of opium, subsequent encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T40.0X5D 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 T40.0X5
Adverse effect of opium
- 5
Code T40.0X5D
Adverse effect of opium, subsequent encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T40.0X5D.
Code first
No “code first” instruction is listed for T40.0X5D.
Use additional code
No “use additional code” instruction is listed for T40.0X5D.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T40.0X5D.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T40.0X5D.
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 T40.0X5D mean?
T40.0X5D is the FY 2027 U.S. ICD-10-CM code for “Adverse effect of opium, subsequent encounter.”
Is T40.0X5D a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T40.0X5D 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 T40.0X5D located in ICD-10-CM?
T40.0X5D 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 T40.0X5, Adverse effect of opium.
What coding notes are listed for T40.0X5D?
No inclusion terms are listed for T40.0X5D in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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