Unacceptable Principal Diagnosis Codes
ICD-10-CM codes identified as unacceptable when used as principal diagnosis by MCE edit logic.
Source: Definitions of Medicare Code Edits v44.0, edit 9.
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Codes on this list
2,666 codes, page 15 of 27.
- T50.8X6SUnderdosing of diagnostic agents, sequela
- T50.915AAdverse effect of multiple unspecified drugs, medicaments and biological substances, initial encounter
- T50.915DAdverse effect of multiple unspecified drugs, medicaments and biological substances, subsequent encounter
- T50.915SAdverse effect of multiple unspecified drugs, medicaments and biological substances, sequela
- T50.916AUnderdosing of multiple unspecified drugs, medicaments and biological substances, initial encounter
- T50.916DUnderdosing of multiple unspecified drugs, medicaments and biological substances, subsequent encounter
- T50.916SUnderdosing of multiple unspecified drugs, medicaments and biological substances, sequela
- T50.A15AAdverse effect of pertussis vaccine, including combinations with a pertussis component, initial encounter
- T50.A15DAdverse effect of pertussis vaccine, including combinations with a pertussis component, subsequent encounter
- T50.A15SAdverse effect of pertussis vaccine, including combinations with a pertussis component, sequela
- T50.A16AUnderdosing of pertussis vaccine, including combinations with a pertussis component, initial encounter
- T50.A16DUnderdosing of pertussis vaccine, including combinations with a pertussis component, subsequent encounter
- T50.A16SUnderdosing of pertussis vaccine, including combinations with a pertussis component, sequela
- T50.A25AAdverse effect of mixed bacterial vaccines without a pertussis component, initial encounter
- T50.A25DAdverse effect of mixed bacterial vaccines without a pertussis component, subsequent encounter
- T50.A25SAdverse effect of mixed bacterial vaccines without a pertussis component, sequela
- T50.A26AUnderdosing of mixed bacterial vaccines without a pertussis component, initial encounter
- T50.A26DUnderdosing of mixed bacterial vaccines without a pertussis component, subsequent encounter
- T50.A26SUnderdosing of mixed bacterial vaccines without a pertussis component, sequela
- T50.A95AAdverse effect of other bacterial vaccines, initial encounter
- T50.A95DAdverse effect of other bacterial vaccines, subsequent encounter
- T50.A95SAdverse effect of other bacterial vaccines, sequela
- T50.A96AUnderdosing of other bacterial vaccines, initial encounter
- T50.A96DUnderdosing of other bacterial vaccines, subsequent encounter
- T50.A96SUnderdosing of other bacterial vaccines, sequela
- T50.B15AAdverse effect of smallpox vaccines, initial encounter
- T50.B15DAdverse effect of smallpox vaccines, subsequent encounter
- T50.B15SAdverse effect of smallpox vaccines, sequela
- T50.B16AUnderdosing of smallpox vaccines, initial encounter
- T50.B16DUnderdosing of smallpox vaccines, subsequent encounter
- T50.B16SUnderdosing of smallpox vaccines, sequela
- T50.B95AAdverse effect of other viral vaccines, initial encounter
- T50.B95DAdverse effect of other viral vaccines, subsequent encounter
- T50.B95SAdverse effect of other viral vaccines, sequela
- T50.B96AUnderdosing of other viral vaccines, initial encounter
- T50.B96DUnderdosing of other viral vaccines, subsequent encounter
- T50.B96SUnderdosing of other viral vaccines, sequela
- T50.Z15AAdverse effect of immunoglobulin, initial encounter
- T50.Z15DAdverse effect of immunoglobulin, subsequent encounter
- T50.Z15SAdverse effect of immunoglobulin, sequela
- T50.Z16AUnderdosing of immunoglobulin, initial encounter
- T50.Z16DUnderdosing of immunoglobulin, subsequent encounter
- T50.Z16SUnderdosing of immunoglobulin, sequela
- T50.Z95AAdverse effect of other vaccines and biological substances, initial encounter
- T50.Z95DAdverse effect of other vaccines and biological substances, subsequent encounter
- T50.Z95SAdverse effect of other vaccines and biological substances, sequela
- T50.Z96AUnderdosing of other vaccines and biological substances, initial encounter
- T50.Z96DUnderdosing of other vaccines and biological substances, subsequent encounter
- T50.Z96SUnderdosing of other vaccines and biological substances, sequela
- T78.110AOther adverse food reactions due to milk and dairy products with tolerance to baked milk, initial encounter
- T78.110DOther adverse food reactions due to milk and dairy products with tolerance to baked milk, subsequent encounter
- T78.110SOther adverse food reactions due to milk and dairy products with tolerance to baked milk, sequela
- T78.111AOther adverse food reaction due to milk and dairy products with reactivity to baked milk, initial encounter
- T78.111DOther adverse food reaction due to milk and dairy products with reactivity to baked milk, subsequent encounter
- T78.111SOther adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela
- T78.119AOther adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, initial encounter
- T78.119DOther adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, subsequent encounter
- T78.119SOther adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, sequela
- T78.120AOther adverse food reaction due to egg with tolerance to baked egg, initial encounter
- T78.120DOther adverse food reaction due to egg with tolerance to baked egg, subsequent encounter
- T78.120SOther adverse food reaction due to egg with tolerance to baked egg, sequela
- T78.121AOther adverse food reaction due to egg with reactivity to baked egg, initial encounter
- T78.121DOther adverse food reaction due to egg with reactivity to baked egg, subsequent encounter
- T78.121SOther adverse food reaction due to egg with reactivity to baked egg, sequela
- T78.129AOther adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, initial encounter
- T78.129DOther adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, subsequent encounter
- T78.129SOther adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, sequela
- T78.19XAOther adverse food reactions, not elsewhere classified, initial encounter
- T78.19XDOther adverse food reactions, not elsewhere classified, subsequent encounter
- T78.19XSOther adverse food reactions, not elsewhere classified, sequela
- T81.12XAPostprocedural septic shock, initial encounter
- T81.12XDPostprocedural septic shock, subsequent encounter
- T81.12XSPostprocedural septic shock, sequela
- Z00.00Encounter for general adult medical examination without abnormal findings
- Z00.01Encounter for general adult medical examination with abnormal findings
- Z00.110Health examination for newborn under 8 days old
- Z00.111Health examination for newborn 8 to 28 days old
- Z00.121Encounter for routine child health examination with abnormal findings
- Z00.129Encounter for routine child health examination without abnormal findings
- Z00.2Encounter for examination for period of rapid growth in childhood
- Z00.3Encounter for examination for adolescent development state
- Z00.5Encounter for examination of potential donor of organ and tissue
- Z00.70Encounter for examination for period of delayed growth in childhood without abnormal findings
- Z00.71Encounter for examination for period of delayed growth in childhood with abnormal findings
- Z00.8Encounter for other general examination
- Z01.10Encounter for examination of ears and hearing without abnormal findings
- Z01.110Encounter for hearing examination following failed hearing screening
- Z01.118Encounter for examination of ears and hearing with other abnormal findings
- Z01.12Encounter for hearing conservation and treatment
- Z01.20Encounter for dental examination and cleaning without abnormal findings
- Z01.21Encounter for dental examination and cleaning with abnormal findings
- Z01.30Encounter for examination of blood pressure without abnormal findings
- Z01.31Encounter for examination of blood pressure with abnormal findings
- Z01.812Encounter for preprocedural laboratory examination
- Z01.818Encounter for other preprocedural examination
- Z01.82Encounter for allergy testing
- Z01.83Encounter for blood typing
- Z01.84Encounter for antibody response examination
- Z01.89Encounter for other specified special examinations
- Z02.0Encounter for examination for admission to educational institution