ICD-10-CM Code B46.3

Valid for Submission

B46.3 is a billable code used to specify a medical diagnosis of cutaneous mucormycosis. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code B46.3 might also be used to specify conditions or terms like cutaneous mucormycosis or mucormycotic gangrenous cellulitis or necrotizing cutaneous mucormycosis or subcutaneous zygomycosis.

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code B46.3:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

• Subcutaneous mucormycosis

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code B46.3 are found in the index:

• - Mucormycosis - B46.5
  • - cutaneous - B46.3
  • - skin - B46.3
  • - subcutaneous - B46.3

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Cutaneous mucormycosis
• Mucormycotic gangrenous cellulitis
• Necrotizing cutaneous mucormycosis
• Subcutaneous zygomycosis

Convert B46.3 to ICD-9

• 117.7 - Zygomycosis (Approximate Flag)

Code Classification

• Certain infectious and parasitic diseases (A00–B99)
  • Mycoses (B35-B49)
    • Zygomycosis (B46)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Tools

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• Convert B46.3 to ICD-9