Other mumps complications

This code signifies mumps infections that have led to complications beyond the commonly recognized ones such as orchitis, meningitis, pancreatitis, or encephalitis. It covers a range of less frequent or specified systemic manifestations of the mumps virus. These complications are directly attributable to the mumps infection but do not have a more specific ICD-10-CM code.

Use this code when documentation clearly indicates a mumps infection with an associated complication that is not otherwise classified. Examples include mumps-induced arthritis, thyroiditis, or nephritis, provided these are explicitly linked to the mumps virus. The physician's notes should specify the particular complication and its causal relationship to mumps.

• Always sequence the mumps infection code (B26.xx) as the primary diagnosis, followed by this code for the complication, unless another condition is the principal diagnosis.
• Avoid using this code if a more specific mumps complication code (e.g., B26.0 for mumps orchitis) is available and accurately describes the patient's condition.
• Ensure the medical record explicitly states the complication is due to mumps; avoid assumptions.