B74.3 – Loiasis
ICD-10-CM 2027 diagnosis code · Helminthiases
ICD-10-CM code
B74.3
- Code
B74.3(claims format:B743)- Description
- Loiasis
- 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
- B74
Notes for B74.3
Applicable to:
- Calabar swelling
- Eyeworm disease of Africa
- Loa loa infection
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
B74 – Filariasis
Index terms for B74.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Loa loa
- Loiasis
- Calabar swelling
- Swelling, Calabar
- Infestation, eyeworm
- Infestation, Loa loa
- Eyeworm disease of Africa
- Infestation, Loa loa, eyelid
- Infestation, eyelid, in, loiasis
- Infestation, Loa loa, conjunctival
- Disease, diseased, eyeworm of Africa
- Infestation, filarial, due to, loa loa
- Infection, infected, infective, Loa loa
- Infection, infected, infective, Loa loa, eyelid
- Infection, infected, infective, Loa loa, with conjunctival infestation
Related codes in B74
Frequently asked questions
What is ICD-10 code B74.3?
B74.3 is the ICD-10-CM code for loiasis, in the block B65-B83 (Helminthiases).
Is B74.3 a billable code?
Yes. B74.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B74.3 belong to?
It belongs to category B74 – Filariasis.
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.