2020 ICD-10-CM Diagnosis Code B46.5

Mucormycosis, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
  • B46.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM B46.5 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of B46.5 - other international versions of ICD-10 B46.5 may differ.
The following code(s) above B46.5 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B46.5:
  • A00-B99
    2020 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • 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 to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B35-B49
    2020 ICD-10-CM Range B35-B49

    Mycoses

    Type 2 Excludes
    • hypersensitivity pneumonitis due to organic dust (J67.-)
    • mycosis fungoides (C84.0-)
    Mycoses
Approximate Synonyms
  • Mucormycosis
Clinical Information
  • Infection in humans and animals caused by any fungus in the order mucorales (e.g., absidia, mucor, rhizopus etc.) there are many clinical types associated with infection of the central nervous system, lung, gastrointestinal tract, skin, orbit and paranasal sinuses. In humans, it usually occurs as an opportunistic infection in patients with a chronic debilitating disease, particularly uncontrolled diabetes, or who are receiving immunosuppressive agents. (from Dorland, 28th ed)
ICD-10-CM B46.5 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems
  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert B46.5 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to B46.5:

ICD-10-CM Codes Adjacent To B46.5
B45.3 Osseous cryptococcosis
B45.7 Disseminated cryptococcosis
B45.8 Other forms of cryptococcosis
B45.9 Cryptococcosis, unspecified
B46 Zygomycosis
B46.0 Pulmonary mucormycosis
B46.1 Rhinocerebral mucormycosis
B46.2 Gastrointestinal mucormycosis
B46.3 Cutaneous mucormycosis
B46.4 Disseminated mucormycosis
B46.5 Mucormycosis, unspecified
B46.8 Other zygomycoses
B46.9 Zygomycosis, unspecified
B47 Mycetoma
B47.0 Eumycetoma
B47.1 Actinomycetoma
B47.9 Mycetoma, unspecified
B48 Other mycoses, not elsewhere classified
B48.0 Lobomycosis
B48.1 Rhinosporidiosis
B48.2 Allescheriasis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.