T45.0
Non-Billable

Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs

Non-Billable / Non-Specific Code

What is Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs?

ICD-10-CM T45.0 is the diagnosis code for Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs. This code falls under the section "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for T45.0

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as T45.0. They are mutually exclusive:

  • poisoning by, adverse effect of and underdosing of phenothiazine-based neuroleptics (T43.3)

ICD-10-CM Code Hierarchy

Understanding where T45.0 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 1 entries
T45.0XPoisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugsNon-BillableT45.0X1Poisoning by antiallergic and antiemetic drugs, accidental (unintentional)BillableT45.0X2Poisoning by antiallergic and antiemetic drugs, intentional self-harmBillableT45.0X3Poisoning by antiallergic and antiemetic drugs, assaultBillableT45.0X4Poisoning by antiallergic and antiemetic drugs, undeterminedBillableT45.0X5Adverse effect of antiallergic and antiemetic drugsBillableT45.0X6Underdosing of antiallergic and antiemetic drugsBillable
Related Codes

Frequently Asked Questions

Is T45.0 a billable ICD-10-CM code?

No, T45.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T45.0 mean?

T45.0 is the ICD-10-CM diagnosis code for "Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of T45.0?

The parent code of T45.0 is T45 ("Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified"). T45.0 provides a more specific classification within this category.

What section is T45.0 in?

T45.0 is located in Section T36-T50 — "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T45.0?

T45.0 has 1 sub-code(s) that provide more specific detail: T45.0X.

When should I use T45.0?

Use T45.0 when the patients documented diagnosis matches "Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs?

The ICD-10-CM code for Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs is T45.0.

Can T45.0 be used for primary diagnosis?

No, T45.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T45.0 in?

T45.0 is in Chapter 19 of the ICD-10-CM Tabular List.

What conditions are excluded from T45.0?

Type 1 Excludes for T45.0 include: poisoning by, adverse effect of and underdosing of phenothiazine-based neuroleptics (T43.3).

Is T45.0 valid for 2026?

Yes, T45.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT45Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classifiedNext →T45.0XPoisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs
Code Details
T45.0
Poisoning by, adverse effect of and underdosing of antiallergic and antiemetic drugs
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50 — Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
2026 ICD-10-CM