B74.3
Loiasis
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · B74.3
Synonyms
Calabar swelling Eyeworm disease of Africa Loa loa infection
Inherited from B74Filariasis
Inherited from chapter 1Certain infectious and parasitic diseases
Includes
diseases generally recognized as communicable or transmissible
Excludes 1
certain localized infections - see body system-related chapters
Excludes 2
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
Use additional
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for B74.3
FY 2026 ›I.C.1Chapter-specific guidanceChapter 1: Certain Infectious and Parasitic Diseases (A00-B99), U07.1, U09.9
Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections
Find B74.3 in the alphabetic index
15 index paths lead to this code
- Calabar swelling
- Eyeworm disease of Africa
- Loa loa
- Loiasis
- Disease, diseased › eyeworm of Africa
- Infection, infected, infective › Loa loa
- Infestation › eyeworm
- Infestation › Loa loa
- Swelling › Calabar
- Infection, infected, infective › Loa loa › with conjunctival infestation
- Infection, infected, infective › Loa loa › eyelid
- Infestation › Loa loa › conjunctival
- Infestation › Loa loa › eyelid
- Infestation › eyelid › in › loiasis
- Infestation › filarial › due to › loa loa