ICD-10-CM Billable Code

T37.4X

Poisoning by, adverse effect of and underdosing of anthelminthics

Clinical Classification Guidelines

Medical Intelligence & Overview

ICD-10 code T37.4X pertains to cases involving poisoning, adverse reactions, or underdosing related to anthelminthic medications. These drugs are primarily used to treat parasitic worm infections, such as roundworms, hookworms, and tapeworms. While generally effective and safe when used correctly, improper use, overdose, or sensitivity to these medications can lead to adverse effects or poisoning. Recognizing the potential issues associated with anthelminthic drugs is key to ensuring safe and effective treatment when necessary.

Causes & Symptoms

Clinical Causes: Incorrect dosing, such as taking more medication than prescribed Use of expired or contaminated medications Sensitivity or allergic reaction to a specific anthelminthic drug Inadvertent ingestion, especially in children Drug interactions that increase toxicity risk Use of anthelminthics without proper medical guidance Underdosing leading to ineffective treatment and potential resistance

Key Symptoms: Gastrointestinal discomfort including nausea, vomiting, or abdominal pain Dizziness or lightheadedness Allergic reactions such as rash, itching, or swelling Neurological symptoms like headache, confusion, or seizures (in severe cases) Signs of toxicity, such as jaundice or abnormal liver function tests Fatigue or weakness Respiratory difficulties in severe cases

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a detailed clinical history, including medication usage and timing of symptom onset. Blood tests may be performed to check organ function, detect signs of systemic toxicity, and identify potential allergic responses. In some cases, specific tests to detect anthelminthic drug levels in blood or urine may be employed. The clinician will also evaluate for any confounding conditions that might mimic poisoning effects.

Treatment Protocols: Treatment strategies focus on stabilizing the patient and preventing further absorption of the toxic substance. Immediate steps may include administering activated charcoal to reduce medication absorption, providing supportive care such as intravenous fluids, and monitoring vital signs. Specific interventions depend on the severity and nature of symptoms. In severe cases, hospital admission with intensive monitoring, use of antidotes if available, or supportive therapies such as oxygenation or anticonvulsants may be necessary. Follow-up care aims to monitor for recovery and prevent future adverse effects through proper medication management.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is T37.4X a billable ICD-10 code?
Yes, T37.4X is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report T37.4X?
Clinical documentation must specify the nature of Poisoning by, adverse effect of and underdosing of anthelminthics and any associated comorbidities for accurate reporting.

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