A21.8
Other forms of tularemia
Clinical Classification Guidelines
Medical Intelligence & Overview
Tularemia is a rare infectious disease caused by the bacterium Francisella tularensis. While there are several well-known forms of tularemia, such as ulceroglandular or pneumonic tularemia, the category of 'Other forms of tularemia' (ICD-10 code A21.8) covers less common presentations of this illness. These atypical forms can affect various parts of the body and may present with diverse symptoms, making diagnosis and management challenging. Recognizing the different kinds of tularemia is crucial for healthcare providers in order to ensure appropriate treatment and control measures.
Causes & Symptoms
Clinical Causes: Exposure to infected animals, such as rabbits, rodents, or deer, which are common reservoirs of the bacteria. Insect bites, especially from ticks or flies that have previously fed on infected animals. Handling or exposure to contaminated water, soil, or animal products. Inhalation of airborne particles containing Francisella tularensis, which can occur during landscaping, farming, or laboratory work. Rarely, person-to-person transmission, although predominantly spread through environmental and animal vectors.
Key Symptoms: Fever and chills Muscle aches and fatigue Localized pain, swelling, or abscesses in affected tissues Skin ulcers at sites of infection or exposure Respiratory symptoms like cough or difficulty breathing in cases involving inhalation Organ-specific symptoms depending on the site of infection—for example, eye pain if the eye is affected (ocular tularemia), or swollen lymph nodes (glandular tularemia)
Diagnostic & Treatment
Diagnosis Path: Serology tests to detect antibodies against Francisella tularensis Polymerase chain reaction (PCR) assays for detecting bacterial DNA in tissue or bodily fluids Culture of the bacteria from infected tissues or fluids, although this is technically challenging and poses a risk to laboratory personnel Imaging studies, such as X-rays or ultrasound, may be used to evaluate internal organ involvement if suspected
Treatment Protocols: Streptomycin or gentamicin as first-line therapies Doxycycline or ciprofloxacin as alternative options for less severe cases Prompt initiation of antibiotic therapy is essential to prevent complications and resolve symptoms Supportive care measures, such as pain management and rest Hospitalization may be necessary in severe or complicated cases
Clinical Advice & FAQs
Billing Guidance
Is A21.8 a billable ICD-10 code?
Yes, A21.8 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report A21.8?
Clinical documentation must specify the nature of Other forms of tularemia and any associated comorbidities for accurate reporting.
Cite this Clinical Reference