ICD-10 Code B83.0 – Visceral larva migrans (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code B83.0 – Visceral larva migrans
What it is
B83.0 identifies visceral larva migrans, a parasitic infection caused by migrating larvae in human tissues. Use it when documentation specifically names this condition.
Clinical signs
Clinical features vary; refer to documentation. Commonly reported findings include fever, abdominal pain, hepatomegaly, cough, wheezing, or eosinophilia when noted by the provider.
When to use this code
Use B83.0 when the record confirms visceral larva migrans, including suspected or confirmed parasite migration affecting internal organs. It is also appropriate when the clinician documents the diagnosis without naming the organism. If the note only describes exposure or nonspecific parasitic illness, check documentation before coding.
Do not use for
Do not use this code for cutaneous larva migrans or other localized larval skin infections. Check documentation if the chart describes a different parasitic disease or only a history of exposure.
Coding tip
Code B83.0 only when the provider documents visceral larva migrans; otherwise, query for clarification.