B74
Non-Billable

Filariasis

Non-Billable / Non-Specific Code

What is Filariasis?

ICD-10-CM B74 is the diagnosis code for Filariasis. 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.

â„šī¸ Excludes2

Coding Guidelines for B74

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in B74. If the patient has both, code each condition separately:

  • onchocerciasis (B73)
  • tropical (pulmonary) eosinophilia NOS (J82.89)

ICD-10-CM Code Hierarchy

Understanding where B74 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
B74.0Filariasis due to Wuchereria bancroftiBillableB74.1Filariasis due to Brugia malayiBillableB74.2Filariasis due to Brugia timoriBillableB74.3LoiasisBillableB74.4MansonelliasisBillableB74.8Other filariasesBillableB74.9Filariasis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is B74 a billable ICD-10-CM code?

No, B74 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does B74 mean?

B74 is the ICD-10-CM diagnosis code for "Filariasis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is B74 in?

B74 is located in Section B65-B83 — "Helminthiases" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of B74?

B74 has 7 sub-code(s) that provide more specific detail: B74.0, B74.1, B74.2, B74.3, B74.4 and more.

When should I use B74?

Use B74 when the patients documented diagnosis matches "Filariasis" 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 Filariasis?

The ICD-10-CM code for Filariasis is B74.

Can B74 be used for primary diagnosis?

No, B74 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is B74 in?

B74 is in Chapter 1 of the ICD-10-CM Tabular List.

Is B74 valid for 2026?

Yes, B74 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousB73.1Onchocerciasis without eye diseaseNext →B74.0Filariasis due to Wuchereria bancrofti
Code Details
B74
Filariasis
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
B65-B83 — Helminthiases
2026 ICD-10-CM