2027 ICD-10-CM Diagnosis Code B87Myiasis

ICD-10-CM Codes›A00–B99›B85-B89›B87

ICD-10-CM B87
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Myiasis
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B87: its own notes plus those printed at Chapter 1. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

On B87 itself
  • infestation by larva of flies
From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • 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

Add a second code, after this one, to fully describe the condition.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • code to identify resistance to antimicrobial drugs (Z16.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical InformationClinical

  • Myiasis

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

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About B87Overview

What is the ICD-10 code for myiasis?

B87 is the ICD-10-CM category for myiasis, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.