B83.9 – Helminthiasis, unspecified
ICD-10-CM 2027 diagnosis code · Helminthiases
ICD-10-CM code
B83.9
- Code
B83.9(claims format:B839)- Description
- Helminthiasis, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B65-B83 Helminthiases
- Parent codes
- B83
Notes for B83.9
Applicable to:
- Worms NOS
Excludes1 (not coded here):
- intestinal helminthiasis NOS (B82.0)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
B83 – Other helminthiases
Excludes1 (not coded here):
- capillariasis NOS (B81.1)
Excludes2 (not included here):
- intestinal capillariasis (B81.1)
Index terms for B83.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Fever, worm
- Colic, worm NOS
- Infestation, worms
- Infestation, helminth
- Infection, infected, infective, worms
- Infection, infected, infective, helminths
- Infestation, nematode NEC, conjunctiva NEC
- Arthritis, arthritic, in, helminthiasis NEC
- Granuloma, peritoneum, due to ova of helminths NOS
- Arthritis, arthritic, due to or associated with, helminthiasis
Related codes in B83
Frequently asked questions
What is ICD-10 code B83.9?
B83.9 is the ICD-10-CM code for helminthiasis, unspecified, in the block B65-B83 (Helminthiases).
Is B83.9 a billable code?
Yes. B83.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B83.9 belong to?
It belongs to category B83 – Other helminthiases.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.