2023

  1. ICD-10-CM Codes
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  5. 2023 ICD-10-CM Diagnosis Code Z16.12

2023 ICD-10-CM Diagnosis Code Z16.12

Extended spectrum beta lactamase (ESBL) resistance

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • Z16.12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM Z16.12 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of Z16.12 - other international versions of ICD-10 Z16.12 may differ.
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (Z16.12) and the excluded code together.
  • Methicillin resistant Staphylococcus aureus infection in diseases classified elsewhere (
    ICD-10-CM Diagnosis Code B95.62

    Methicillin resistant Staphylococcus aureus infection as the cause of diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Methicillin resistant staphylococcus aureus (MRSA) infection as the cause of diseases classified elsewhere
    B95.62
    )
The following code(s) above Z16.12 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 Z16.12:
  • Z00-Z99
    2023 ICD-10-CM Range Z00-Z99

    Factors influencing health status and contact with health services

    Note
    • Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
    • (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
    • (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.
    Factors influencing health status and contact with health services
  • Z16
    ICD-10-CM Diagnosis Code Z16

    Resistance to antimicrobial drugs

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    • the infection
    Note
    • The codes in this category are provided for use as additional codes to identify the resistance and non-responsiveness of a condition to antimicrobial drugs.
    Type 1 Excludes
    • Methicillin resistant Staphylococcus aureus infection (A49.02)
    • Methicillin resistant Staphylococcus aureus pneumonia (J15.212)
    • Sepsis due to Methicillin resistant Staphylococcus aureus (A41.02)
    Resistance to antimicrobial drugs
Approximate Synonyms
  • Infection due to esbl bacteria
  • Infection resistant to extended spectrum beta lactam antibiotics
ICD-10-CM Z16.12 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 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 Z16.12 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to Z16.12:
  • Resistance, resistant (to)
    • organism(s)
      • to
        • drug Z16.30
          ICD-10-CM Diagnosis Code Z16.30

          Resistance to unspecified antimicrobial drugs

            2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
          Applicable To
          • Drug resistance NOS
          • extended beta lactamase Z16.12 (ESBL)

ICD-10-CM Codes Adjacent To Z16.12
Z15.03 …… of prostate
Z15.04 …… of endometrium
Z15.09 Genetic susceptibility to other malignant neoplasm
Z15.8 Genetic susceptibility to other disease
Z15.81 Genetic susceptibility to multiple endocrine neoplasia [MEN]
Z15.89 Genetic susceptibility to other disease
Z16 Resistance to antimicrobial drugs
Z16.1 Resistance to beta lactam antibiotics
Z16.10 Resistance to unspecified beta lactam antibiotics
Z16.11 Resistance to penicillins
Z16.12 Extended spectrum beta lactamase (ESBL) resistance
Z16.19 Resistance to other specified beta lactam antibiotics
Z16.2 Resistance to other antibiotics
Z16.20 Resistance to unspecified antibiotic
Z16.21 Resistance to vancomycin
Z16.22 Resistance to vancomycin related antibiotics
Z16.23 Resistance to quinolones and fluoroquinolones
Z16.24 Resistance to multiple antibiotics
Z16.29 Resistance to other single specified antibiotic
Z16.3 Resistance to other antimicrobial drugs
Z16.30 Resistance to unspecified antimicrobial drugs

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

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