T44.7X5 Adverse effect of beta-adrenoreceptor antagonists

ICD-10-CM T44.7X5: Adverse effect of beta-adrenoreceptor antagonists

ICD-10-CM code T44.7X5 is an active terminology concept representing the adverse effect of beta-adrenoreceptor antagonists, with a parent concept of T44.7X. The terminology record contains no narrower concepts. Medicare billing articles list encounter-specific extensions T44.7X5A and T44.7X5S, though appearance in these articles does not guarantee coverage. 1 3 4

Plain-language overview

Code T44.7X5 identifies an adverse effect of beta-adrenoreceptor antagonists, classifying the event semantically as an injury or poisoning within the ICD-10-CM version 2026 terminology. 1

What this code represents

The T44.7X5 code represents a diagnosis of an adverse effect from beta-adrenoreceptor antagonists and is a child concept of T44.7X, which covers poisoning, adverse effects, and underdosing of these agents. 1

The base code T44.7X5 has no narrower concepts in the terminology, but billing articles list specific encounter extensions including T44.7X5A for initial encounters and T44.7X5S for sequela. 1 3 4

Coding details

While T44.7X5 is an active terminology record, billing and coding articles reference its more specific extensions, T44.7X5A and T44.7X5S, to denote initial encounters and sequela respectively. 1 3 4

Documentation considerations

Medicare billing articles list T44.7X5A as the initial encounter and T44.7X5S as the sequela for the adverse effect of beta-adrenoreceptor antagonists, providing specific extensions for documenting patient encounters. 3 4

Clinical context

Beta-blockers are utilized as a standard heart failure treatment alongside other medications, and clinical activities emphasize monitoring patients for adverse events and intolerance related to these pharmacological therapies. 2

What the sources add

Terminology records from the National Cancer Institute establish the official label and hierarchical parent for T44.7X5, whereas Medicare billing articles provide operational context by listing the initial encounter and sequela extensions. 1 3 4

Questions to verify

Reviewers can verify that the base T44.7X5 terminology record contains no narrower concepts, while Medicare billing articles list T44.7X5A and T44.7X5S as specific extensions for initial encounters and sequela. 1 3 4

Sources

1. ICD-10-CM T44.7X5 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Bookshelf — ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Article - Billing and Coding: Transthoracic Echocardiography (TTE) (A57306) — cms.gov; accessed 2026-07-27.
4. Article - Billing and Coding: Allergy Testing (A57181) — cms.gov; accessed 2026-07-27.
5. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
6. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.