2027 ICD-10-CM Diagnosis Code B86Scabies

ICD-10-CM Codes›A00–B99›B85-B89›B86

ICD-10-CM B86
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

B86 is a billable ICD-10-CM diagnosis code for scabies. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607. Coders also document this condition as crusted scabies. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Parasitic, other specified and unspecified infections.

Code Identity

ICD-10-CM Code
B86
Billable Status
Yes — Valid for Submission
Code Describes
Scabies
Short Description
Scabies
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
CategoryB86Scabies
This CodeB86Scabies

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Crusted scabies
  • Infestation by Sarcoptes
  • Infestation by Sarcoptes scabiei var bovis
  • Infestation by Sarcoptes scabiei var canis
  • Infestation by Sarcoptes scabiei var equi
  • Infestation by Sarcoptes scabiei var hominis
  • Infestation by Sarcoptes scabiei var ovis
  • Infestation by Sarcoptes scabiei var suis
  • Scabetic nodule

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B86: 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.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Sarcoptic itch

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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name B86, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming B86: its condition is not part of those codes, and both may be reported when the patient has both.

  • B88.0 Other acariasis
    scabies (B86)

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INF009
Parasitic, other specified and unspecified infections
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Scabies

    a contagious cutaneous inflammation caused by the bite of the mite sarcoptes scabiei. it is characterized by pruritic papular eruptions and burrows and affects primarily the axillae, elbows, wrists, and genitalia, although it can spread to cover the entire body.

Patient EducationClinical

Scabies

Scabies is an itchy skin condition caused by the microscopic mite Sarcoptes scabei. It is common all over the world, and can affect anyone. Scabies spreads quickly in crowded conditions where there is frequent skin-to-skin contact between people. Hospitals, child-care centers, and nursing homes are examples.

Read the full article at MedlinePlus

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

Convert B86 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
133.0 Scabies
Exact Match The mapping is direct, with no qualifiers.

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 B86Overview

What is the ICD-10 code for scabies?

The ICD-10-CM code for scabies is B86. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is B86 (Scabies) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report scabies on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does B86 group to?

When scabies is the principal diagnosis on an inpatient stay, it groups to MS-DRG 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of B86?

Under the General Equivalence Mappings, scabies converts to ICD-9-CM 133.0 (scabies). The mapping is a direct match.