ICD-10-CM > A00-B99 > B65-B83 > B81 B81 Other intestinal helminthiases, not elsewhere classified Non-Billable/Non-Specific Type 1 Excludes angiostrongyliasis due to:Angiostrongylus cantonensis (B83.2)Parastrongylus cantonensis (B83.2) Codes B81.0AnisakiasisB81.1Intestinal capillariasisB81.2TrichostrongyliasisB81.3Intestinal angiostrongyliasisB81.4Mixed intestinal helminthiasesB81.8Other specified intestinal helminthiases