B83.9
Helminthiasis, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 6 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 never code together
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
Index entries leading here 6
- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
- Colic (bilious) (infantile) (intestinal) (recurrent) (spasmodic) R10.83
- worm NOS B83.9
- Infestation B88.9
- Granuloma L92.9
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- worm B83.9
- Infection, infected, infective (opportunistic) B99.9
Alongside this code 6 same parent — B83
Medications 3
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.