2026 ICD-10-CM Diagnosis Code B87Myiasis

ICD-10-CM Codes›A00–B99›B85-B89›B87

ICD-10-CM B87
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B87 is a non-billable ICD-10-CM category code for myiasis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B87.0, B87.1, B87.2, and B87.3.

Code Identity

ICD-10-CM Code
B87
Billable Status
No — Non-Billable Category
Code Describes
Myiasis
Chapter
B85-B89
Pediculosis, acariasis and other infestations

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB85-B89Pediculosis, acariasis and other infestations
CategoryB87Myiasis
This CodeB87Myiasis

Specific Coding for MyiasisOverview

Non-specific codes like B87 require more characters. Use one of these billable codes instead:

  • Use B87.0 for Cutaneous myiasis

  • Use B87.1 for Wound myiasis

  • Use B87.2 for Ocular myiasis

  • Use B87.3 for Nasopharyngeal myiasis

  • Use B87.4 for Aural myiasis

  • B87.8 for Myiasis of other sites

  • Use B87.81 for Genitourinary myiasis

  • Use B87.82 for Intestinal myiasis

  • Use B87.89 for Myiasis of other sites

  • Use B87.9 for Myiasis, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • infestation by larva of flies

Clinical InformationClinical

  • Myiasis

    the invasion of living tissues of man and other mammals by dipterous larvae.

  • Screw Worm Infection

    infection with larvae of the blow fly cochliomyia hominivorax (callitroga americanum), a common cause of disease in livestock in the southern and southwestern u.s.a.

  • Oestrus Myiasis|Infestation by Estrus

    infestation by oestrus ovis (sheep nasal botfly). in humans, it may cause ophthalmomyiasis and nasal myiasis.

  • Myiasis

    the infection of a fly larva (maggot) in human tissue, which most commonly occurs in tropical climates. affected tissues most commonly include skin, especially if open wounds are present, nasal passages, ears, and eyes.

Patient EducationClinical

Parasitic Diseases

Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact. Some parasitic diseases are easily treated and some are not.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B87Overview

Is B87 (Myiasis) a billable code?

No. This is a category header that groups the codes for myiasis, and headers cannot be submitted on claims. Claims for myiasis need a more specific code from this category, such as B87.0, B87.1, and B87.2.