Is ICD-10-CM code B74 billable?

No, B74 (Filariasis) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code B74 belong to?

B74 belongs to Chapter 1 of the ICD-10-CM tabular list: A00–B99 (Certain Infectious and Parasitic Diseases).

B74

Non-Billable

ChapterA00–B99

Rankcategory

Description

Filariasis

About ICD-10-CM code B74

Under A00-B99 Certain Infectious and Parasitic Diseases, within Helminthiases (B65-B83), ICD-10-CM code B74 describes Filariasis. This code cannot be billed directly because more specific child codes exist beneath it.

Use a more specific code (7 billable)

B74.0Filariasis due to Wuchereria bancrofti B74.1Filariasis due to Brugia malayi B74.2Filariasis due to Brugia timori B74.3Loiasis B74.4Mansonelliasis B74.8Other filariases B74.9Filariasis, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes

diseases generally recognized as communicable or transmissible

Excludes1(Not coded here. Use a different code.)

certain localized infections - see body system-related chapters

Excludes2(Not included here. Code separately if applicable.)

carrier or suspected carrier of infectious disease (Z22.-)
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
infectious and parasitic diseases specific to the perinatal period (P35-P39)
influenza and other acute respiratory infections (J00-J22)

Use Additional Code

code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)

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

Clinical Hierarchy

BillableHas subcodes

CH1Certain infectious and parasitic diseases (A00-B99)

B65-B83Helminthiases (B65-B83)

B74FilariasisNot billable

B74.0Filariasis due to Wuchereria bancroftiBillable

B74.1Filariasis due to Brugia malayiBillable

B74.2Filariasis due to Brugia timoriBillable

B74.3LoiasisBillable

B74.4MansonelliasisBillable

B74.8Other filariasesBillable

B74.9Filariasis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B74:

chapterCH1

Certain infectious and parasitic diseases (A00-B99)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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