Z16.341
Resistance to single antimycobacterial drug
Clinical Classification Guidelines
Inclusion Terms
- Resistance to antimycobacterial drug NOS
Medical Intelligence & Overview
The ICD-10 code Z16.341 refers to resistance to a single antimycobacterial drug, which can complicate the treatment of infections caused by mycobacteria, such as tuberculosis. Resistance occurs when the bacteria evolve to withstand the effects of a medication designed to kill or inhibit their growth. Recognizing and understanding this resistance is crucial for effective management and treatment planning.
Causes & Symptoms
Clinical Causes: Inadequate medication adherence, leading to incomplete eradication of bacteria Incorrect use of antimycobacterial drugs or dosage errors Previous tuberculosis treatment that was not fully effective, allowing resistant strains to develop Transmission of resistant bacteria from infected individuals Genetic mutations within mycobacteria that confer resistance to specific drugs
Key Symptoms: Persistent cough that lasts three weeks or longer Unintended weight loss over a period of weeks or months Night sweats and fever Fatigue and weakness Chest pain or discomfort Hemoptysis (coughing up blood) in advanced cases
Diagnostic & Treatment
Diagnosis Path: Sputum smear microscopy to detect mycobacteria Culture tests to grow bacteria and assess drug susceptibility Molecular tests, such as line probe assays, to identify genetic mutations associated with resistance Drug susceptibility testing (DST) to determine which medications are effective against the bacteria
Treatment Protocols: Using a combination of multiple antimycobacterial drugs to overcome resistance Choosing alternative medications based on drug susceptibility testing results Extended duration of therapy to ensure complete eradication Close monitoring of treatment response and side effects In some cases, utilizing newer drugs or investigational treatments Ensuring adherence to the prescribed regimen to prevent further resistance
Clinical Advice & FAQs
Billing Guidance
Is Z16.341 a billable ICD-10 code?
Yes, Z16.341 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report Z16.341?
Clinical documentation must specify the nature of Resistance to single antimycobacterial drug and any associated comorbidities for accurate reporting.
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