B73Header code — not billable

Onchocerciasis

Chapter
1. Certain infectious and parasitic diseases
Category
B73
Effective date
October 1, 2026

Related codes in category B73

B73.0Onchocerciasis with eye diseaseB73.00Onchocerciasis with eye involvement, unspecifiedYesB73.01Onchocerciasis with endophthalmitisYesB73.02Onchocerciasis with glaucomaYesB73.09Onchocerciasis with other eye involvementYesB73.1Onchocerciasis without eye diseaseYes

Frequently asked questions

What is ICD-10 code B73?

B73 is an ICD-10-CM diagnosis code for Onchocerciasis.

Is B73 a billable code?

No. B73 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is B73 in?

B73 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B73 become effective?

B73 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B73?

B73 belongs to category B73, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.