ICD-10-CM code C20 is used to classify malignant neoplasm of the rectum, a serious form of colorectal cancer that requires precise diagnosis, documentation, and medical coding. Accurate use of this code is essential for patient care, treatment planning, compliance, and reimbursement. This guide explains what ICD-10 code C20 means, when to use it, common symptoms, […]

ICD-10-CM code B35.1 is used to document tinea unguium, commonly known as onychomycosis. This condition is a fungal infection of the nails, most often affecting toenails but occasionally fingernails. Accurate coding of B35.1 is essential for proper documentation, treatment planning, and reimbursement. This guide explains what B35.1 represents, when to use it, related ICD-10 codes, […]

ICD-10-CM code B20 is used to document human immunodeficiency virus (HIV) disease, including symptomatic HIV infection and acquired immunodeficiency syndrome (AIDS). Accurate use of this code is essential for clinical documentation, reimbursement, public health reporting, and continuity of care. This guide explains what B20 means, when it should be used, related ICD-10 codes, coding guidelines, […]

ICD-10-CM code B18.2 is used to report chronic viral hepatitis C, a long-term infection caused by the hepatitis C virus (HCV). Accurate use of this code is essential for proper clinical documentation, care planning, reimbursement, and population health tracking. This guide explains what B18.2 means, when to use it, related ICD-10 codes, common coding mistakes, […]

Clinical & Billing Overview Urinary tract infections (UTIs) are among the most common bacterial infections seen in outpatient, urgent care, and emergency settings. From a coding perspective, accuracy matters: ICD-10-CM requires coders to report the most specific diagnosis documented, including the anatomic site, acuity, and any known causative organism. Correct coding directly impacts medical necessity, […]