B73 – Onchocerciasis
ICD-10-CM 2027 diagnosis code · Helminthiases
ICD-10-CM code
B73
- Code
B73(claims format:B73)- Description
- Onchocerciasis
- 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 B73
B73 is a header code and cannot be used on claims. Choose the most specific code:
- B73.0 – Onchocerciasis with eye diseaseHeader (more codes below)
- B73.1 – Onchocerciasis without eye diseaseBillable
Notes for B73
Includes:
- onchocerca volvulus infection
- onchocercosis
- river blindness
Frequently asked questions
What is ICD-10 code B73?
B73 is the ICD-10-CM code for onchocerciasis, in the block B65-B83 (Helminthiases).
Is B73 a billable code?
No. B73 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.