B83.4 – Internal hirudiniasis
ICD-10-CM 2027 diagnosis code · Helminthiases
ICD-10-CM code
B83.4
- Code
B83.4(claims format:B834)- Description
- Internal hirudiniasis
- 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 B83.4
Excludes2 (not included here):
- external hirudiniasis (B88.3)
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 B83.4
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in B83
Frequently asked questions
What is ICD-10 code B83.4?
B83.4 is the ICD-10-CM code for internal hirudiniasis, in the block B65-B83 (Helminthiases).
Is B83.4 a billable code?
Yes. B83.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B83.4 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.