Medical Coding Quiz For Certain Infectious And Parasitic Diseases (A00-b99)

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| By Naushad207
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  • 1/10 Questions

    The patient's HIV test last week was positive; the patient is asymptomatic:

    • B20
    • R75
    • Z21
    • Z11.4
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About This Quiz

This Medical Coding Quiz covers coding for infectious and parasitic diseases. It assesses skills in applying ICD-10-CM codes for conditions like HIV, sepsis, and pneumonia, essential for professionals in health informatics and medical coding.

Medical Coding Quiz For Certain Infectious And Parasitic Diseases (A00-b99) - Quiz

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  • 2. 

    Patient admitted with Pneumonia due to MRSA:

    • J15.211

    • J15.212

    • J15.4

    • J16.8

    Correct Answer
    A. J15.212
    Explanation
    Combination codes for MRSA infection
    When a patient is diagnosed with an infection that is due to methicillin resistant Staphylococcus aureus (MRSA), and that infection has a combination code that includes the causal organism (e.g., sepsis, pneumonia) assign the appropriate combination code for the condition (e.g., code A41.02, Sepsis due to Methicillin resistant Staphylococcus aureus or code J15.212, Pneumonia due to Methicillin resistant Staphylococcus aureus). Do not assign code B95.62, Methicillin resistant Staphylococcus aureus infection as the cause of diseases classified elsewhere, as an additional code because the combination code includes the type of infection and the MRSA organism. Do not assign a code from subcategory Z16.11, Resistance to penicillins, as an additional diagnosis.
    See Section C. 1 for instructions on coding and sequencing of sepsis and severe sepsis.

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  • 3. 

    Because of high-risk homosexual behavior, the patient is seen in the clinic for HIV screening:

    • Z11.4, Z72.52

    • Z13.9, Z72.51

    • Z13.89, Z72.53

    • Z11.4, Z72.50

    Correct Answer
    A. Z11.4, Z72.52
    Explanation
    Encounters for testing for HIV
    If a patient is being seen to determine his/her HIV status, use code Z11.4, Encounter for screening for human immunodeficiency virus [HIV]. Use additional codes for any associated high risk behavior.
    If a patient with signs or symptoms is being seen for HIV testing, code the signs and symptoms. An additional counseling code Z71.7, Human immunodeficiency virus [HIV] counseling, may be used if counseling is provided during the encounter for the test.
    When a patient returns to be informed of his/her HIV test results and the test result is negative, use code Z71.7, Human immunodeficiency virus [HIV] counseling.
    If the results are positive, see previous guidelines and assign codes as appropriate.

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  • 4. 

    Patient is admitted to the hospital with urinary tract infection due to E. coli:

    • N39.0, B96.29

    • N39.49, B96.20

    • N39.0, B96.20

    • N39.8, B96.22

    Correct Answer
    A. N39.0, B96.20
    Explanation
    Infectious agents as the cause of diseases classified to other chapters
    Certain infections are classified in chapters other than Chapter 1 and no organism is identified as part of the infection code. In these instances, it is necessary to use an additional code from Chapter 1 to identify the organism. A code from category B95, Streptococcus, Staphylococcus, and Enterococcus as the cause of diseases classified to other chapters, B96, Other bacterial agents as the cause of diseases classified to other chapters, or B97, Viral agents as the cause of diseases classified to other chapters, is to be used as an additional code to identify the organism. An instructional note will be found at the infection code advising that an additional organism code is required.

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  • 5. 

    Patient is admitted to the hospital with sepsis and acute renal failure secondary to sepsis:

    • A41.9, N17.9

    • R65.20, A40.8, N18.9

    • A41.9, R65.20, N17.9

    • R65.21, A41.9, N18.9

    Correct Answer
    A. A41.9, R65.20, N17.9
    Explanation
    Sepsis with organ dysfunction
    If a patient has sepsis and associated acute organ dysfunction or multiple organ dysfunction (MOD), follow the instructions for coding severe sepsis.

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  • 6. 

    Patient is nasal swab positive for MRSA:

    • Z22.321

    • Z22.322

    • Z22.330

    • Z22.338

    Correct Answer
    A. Z22.322
    Explanation
    MRSA colonization and infection
    If a patient is documented as having both MRSA colonization and infection during a hospital admission, code 122.222. Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus, and a code for the MRSA infection may both be assigned

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  • 7. 

    The patient returns for test results that are positive and is asymptomatic. She is instructed regarding symptoms to watch for and means of prevention:

    • B20, Z70.7

    • Z21, Z70.7

    • B20, Z71.7

    • Z21, Z71.7

    Correct Answer
    A. Z21, Z71.7
    Explanation
    Encounters for testing for HIV
    If a patient is being seen to determine his/her HIV status, use code Z11.4, Encounter for screening for human immunodeficiency virus [HIV]. Use additional codes for any associated high risk behavior.
    If a patient with signs or symptoms is being seen for HIV testing, code the signs and symptoms. An additional counseling code Z71.7, Human immunodeficiency virus [HIV] counseling, may be used if counseling is provided during the encounter for the test.
    When a patient returns to be informed of his/her HIV test results and the test result is negative, use code Z71.7, Human immunodeficiency virus [HIV] counseling.
    If the results are positive, see previous guidelines and assign codes as appropriate.

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  • 8. 

    The patient was admitted for treatment of Kaposi's sarcoma of the skin. The patient's HIV has been symptomatic for the past year:

    • C46.9, B20

    • B20, C46.0

    • Z21, C46.9

    • B20, C46.1

    Correct Answer
    A. B20, C46.0
    Explanation
    Selection and sequencing of HIV codes
    (a) Patient admitted for HIV-related condition
    If a patient is admitted for an HIV-related condition, the principal diagnosis should be B20. Human immunodeficiency virus [HIV) disease followed by additional diagnosis codes for all reported HIV-related conditions.

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  • 9. 

    Patient is admitted through the ER with an infection of her operative wound. The patient is septic due to the operative wound infection. Two weeks ago she had an open appendectomy:

    • T81.4xxD, A41.9, Z90.49, Y83.6

    • A41.9, T81.4xxS, Z90.49, Y83.6

    • T81.4xxA, A41.9, Z90.49, Y83.6

    • A41.9, T81.4XXB, Z90.49, Y83.6

    Correct Answer
    A. T81.4xxA, A41.9, Z90.49, Y83.6
    Explanation
    Postprocedural infection and postprocedural septic shock
    In cases where a postprocedural infection has occurred and has resulted in severe sepsis, the code for the precipitating complication such as code T81.4, Infection following a procedure, or 086.0, Infection of obstetrical surgical wound should be coded first followed by code R65.20, Severe sepsis without septic shock. A code for the systemic infection should also be assigned.
    If a postprocedural infection has resulted in postprocedural septic shock, the code for the precipitating complication such as code T81.4, Infection following a procedure, or 086.0, Infection of obstetrical surgical wound should be coded first followed by code T81.12-, Postprocedural septic shock. A code for the systemic infection should also be assigned.

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  • 10. 

    Patient is admitted to the hospital with sepsis, pneumonia, and acute respiratory failure:

    • A41.9, J18.9, J96.00

    • A41.9, R65.20, J18.9, J96.00

    • A41.9, R65.21, J96.00, J18.9

    • R65.20, A41.9, J96.00, J18.9

    Correct Answer
    A. A41.9, J18.9, J96.00
    Explanation
    Acute organ dysfunction that is not clearly associated with the sepsis
    If a patient has sepsis and an acute organ dysfunction, but the medical record documentation indicates that the acute organ dysfunction is related to a medical condition other than the sepsis, do not assign a code from subcategory R65.2, Severe sepsis. An acute organ dysfunction must be associated with the sepsis in order to assign the severe sepsis code. If the documentation is not clear as to whether an acute organ dysfunction is related to the sepsis or another medical condition, query the provider.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 29, 2017
    Quiz Created by
    Naushad207
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