ICD-10-CM > A00-B99 > B65-B83 > B77 B77 Ascariasis Non-Billable/Non-Specific Includes ascaridiasisroundworm infection Codes B77.0Ascariasis with intestinal complicationsB77.8Ascariasis with other complicationsB77.81Ascariasis pneumoniaB77.89Ascariasis with other complicationsB77.9Ascariasis, unspecified