B73 ICD-10-CM Code: Onchocerciasis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

B73

Onchocerciasis

ICD-10-CM diagnosis code · United States clinical modification

Where B73 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Helminthiases (B65-B83)

  3. 3

    Category B73

    Onchocerciasis

  4. 4

    Code B73

    Onchocerciasis

Codes under B73

B73 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for B73.

Code first

No “code first” instruction is listed for B73.

Use additional code

No “use additional code” instruction is listed for B73.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for B73.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for B73.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code B73 mean?

B73 is the FY 2027 U.S. ICD-10-CM code for “Onchocerciasis.”

Is B73 a billable or specific ICD-10-CM code?

No. B73 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is B73 located in ICD-10-CM?

B73 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Helminthiases (B65-B83) (B65–B83), under category B73, Onchocerciasis.

What coding notes are listed for B73?

No inclusion terms are listed for B73 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.