Coccidioidomycosis (B38)

ICD-10 code B38 and its subclasses correspond to diagnoses related to coccidioidomycosis, a fungal infection caused by Coccidioides species. These codes distinguish between different forms of the disease affecting the lungs, skin, central nervous system, and other organs.

The ICD-10 code B38 broadly covers coccidioidomycosis, with subcodes increasing specificity. For example, B38.0 identifies acute pulmonary coccidioidomycosis, often referred to as acute pneumonia caused by Coccidioides immitis, whereas B38.1 applies to chronic pulmonary coccidioidomycosis, synonymous with chronic coccidioidomycotic pneumonia. Code B38.3 is used for cutaneous coccidioidomycosis, involving skin or subcutaneous tissue infection. When the infection spreads to the brain, B38.4 indicates coccidioidomycosis meningitis, a type of fungal meningitis. Disseminated forms affecting multiple organs are coded as B38.7. Other less common manifestations, such as prostatic infection (B38.81) or involvement of joints, bones, or eyes (B38.89), have their respective codes. The unspecified or general diagnosis without clear localization is captured by B38.9. These ICD-10 codes for coccidioidomycosis help accurately document the infection's location and severity for clinical and billing purposes.

Clinical Terms

The following clinical terms provide additional context, helping users better understand the clinical background and common associations for each diagnosis listed in this section. Including related terms alongside ICD-10-CM codes supports coders, billers, and healthcare professionals in improving accuracy, enhancing documentation, and facilitating research or patient education.

Coccidioidal Meningitis

Meningitis caused by a fungus of the genus COCCIDIOIDES, endemic to the SOUTHWESTERN UNITED STATES, south-central Washington State, and parts of Mexico and Central and South America.

Coccidioidomycosis

Infection with a fungus of the genus COCCIDIOIDES, endemic to the SOUTHWESTERN UNITED STATES. It is sometimes called valley fever but should not be confused with RIFT VALLEY FEVER. Infection is caused by inhalation of airborne, fungal particles known as arthroconidia, a form of FUNGAL SPORES. A primary form is an acute, benign, self-limited respiratory infection. A secondary form is a virulent, severe, chronic, progressive granulomatous disease with systemic involvement. It can be detected by use of COCCIDIOIDIN.