B74 – Filariasis
ICD-10-CM 2027 diagnosis code · Helminthiases
ICD-10-CM code
B74
- Code
B74(claims format:B74)- Description
- Filariasis
- Billable
- No – use a more specific code below
- 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
Billable codes under B74
B74 is a header code and cannot be used on claims. Choose the most specific code:
- B74.0 – Filariasis due to Wuchereria bancroftiBillable
- B74.1 – Filariasis due to Brugia malayiBillable
- B74.2 – Filariasis due to Brugia timoriBillable
- B74.3 – LoiasisBillable
- B74.4 – MansonelliasisBillable
- B74.8 – Other filariasesBillable
- B74.9 – Filariasis, unspecifiedBillable
Notes for B74
Frequently asked questions
What is ICD-10 code B74?
B74 is the ICD-10-CM code for filariasis, in the block B65-B83 (Helminthiases).
Is B74 a billable code?
No. B74 is a header code with more specific child codes; report one of the billable codes listed above.
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.