B73
Non-Billable

Onchocerciasis

Non-Billable / Non-Specific Code

What is Onchocerciasis?

ICD-10-CM B73 is the diagnosis code for Onchocerciasis. This code falls under the section "Helminthiases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for B73

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where B73 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeB73 — Onchocerciasis
Sub-Codes (2)
Sub-Codes 2 entries
B73.0Onchocerciasis with eye diseaseNon-BillableB73.00Onchocerciasis with eye involvement, unspecifiedBillableB73.01Onchocerciasis with endophthalmitisBillableB73.02Onchocerciasis with glaucomaBillableB73.09Onchocerciasis with other eye involvementBillableB73.1Onchocerciasis without eye diseaseBillable
Related Codes

Frequently Asked Questions

Is B73 a billable ICD-10-CM code?

No, B73 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does B73 mean?

B73 is the ICD-10-CM diagnosis code for "Onchocerciasis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is B73 in?

B73 is located in Section B65-B83 — "Helminthiases" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of B73?

B73 has 2 sub-code(s) that provide more specific detail: B73.0, B73.1.

When should I use B73?

Use B73 when the patients documented diagnosis matches "Onchocerciasis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Onchocerciasis?

The ICD-10-CM code for Onchocerciasis is B73.

Can B73 be used for primary diagnosis?

No, B73 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is B73 in?

B73 is in Chapter 1 of the ICD-10-CM Tabular List.

Is B73 valid for 2026?

Yes, B73 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousB72DracunculiasisNext →B73.0Onchocerciasis with eye disease
Code Details
B73
Onchocerciasis
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
B65-B83 — Helminthiases
2026 ICD-10-CM