U.S. ICD-10-CM · FY 2027

T36-T50 ICD-10-CM Codes: Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances

Browse the official section hierarchy and 4,574 code records in Vero’s FY 2027 U.S. ICD-10-CM reference dataset.

Official classification

About this section

T36-T50

Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances

Chapter 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)

Category index

Categories in T36-T50

Open a category to browse its progressively more specific child codes. This hierarchy gives you access to all 4,574 records in the section.

T36

Poisoning by, adverse effect of and underdosing of systemic antibiotics

T37

Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics

T38

Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified

T39

Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics

T40

Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]

T41

Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases

T42

Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

T43

Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified

T44

Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system

T45

Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified

T46

Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system

T47

Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system

T48

Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system

T49

Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs

T50

Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This section reference is generated from Vero’s repository-backed ICD-10-CM section, description, and hierarchy datasets. The visible range, record count, links, FAQs, and structured data share those sources.

Review the CDC/NCHS ICD-10-CM source

Section guidance

Frequently asked questions

What does the ICD-10-CM range T36-T50 include?

T36-T50 is the FY 2027 U.S. ICD-10-CM section for “Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances.” This page lists 4,574 records from Vero’s repository-backed dataset.

Which ICD-10-CM chapter contains T36-T50?

T36-T50 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).

How many ICD-10-CM records are listed in T36-T50?

Vero’s FY 2027 reference dataset contains 4,574 records in T36-T50. Use the individual code pages to review descriptions, hierarchy, and coding notes.

Is T36-T50 itself a billable ICD-10-CM code?

T36-T50 is a section range, not a billable diagnosis code. Select the most specific code supported by the documentation and confirm the active code set and payer requirements.

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