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 17 of 27.
- Z15.81Genetic susceptibility to multiple endocrine neoplasia [MEN]
- Z15.89Genetic susceptibility to other disease
- Z16.10Resistance to unspecified beta lactam antibiotics
- Z16.11Resistance to penicillins
- Z16.12Extended spectrum beta lactamase (ESBL) resistance
- Z16.13Resistance to carbapenem
- Z16.19Resistance to other specified beta lactam antibiotics
- Z16.20Resistance to unspecified antibiotic
- Z16.21Resistance to vancomycin
- Z16.22Resistance to vancomycin related antibiotics
- Z16.23Resistance to quinolones and fluoroquinolones
- Z16.24Resistance to multiple antibiotics
- Z16.29Resistance to other single specified antibiotic
- Z16.30Resistance to unspecified antimicrobial drugs
- Z16.31Resistance to antiparasitic drug(s)
- Z16.32Resistance to antifungal drug(s)
- Z16.33Resistance to antiviral drug(s)
- Z16.341Resistance to single antimycobacterial drug
- Z16.342Resistance to multiple antimycobacterial drugs
- Z16.35Resistance to multiple antimicrobial drugs
- Z16.39Resistance to other specified antimicrobial drug
- Z17.0Estrogen receptor positive status [ER+]
- Z17.1Estrogen receptor negative status [ER-]
- Z17.21Progesterone receptor positive status
- Z17.22Progesterone receptor negative status
- Z17.31Human epidermal growth factor receptor 2 positive status
- Z17.32Human epidermal growth factor receptor 2 negative status
- Z17.410Hormone receptor positive with human epidermal growth factor receptor 2 positive status
- Z17.411Hormone receptor positive with human epidermal growth factor receptor 2 negative status
- Z17.420Hormone receptor negative with human epidermal growth factor receptor 2 positive status
- Z17.421Hormone receptor negative with human epidermal growth factor receptor 2 negative status
- Z18.01Retained depleted uranium fragments
- Z18.09Other retained radioactive fragments
- Z18.10Retained metal fragments, unspecified
- Z18.11Retained magnetic metal fragments
- Z18.12Retained nonmagnetic metal fragments
- Z18.2Retained plastic fragments
- Z18.31Retained animal quills or spines
- Z18.32Retained tooth
- Z18.33Retained wood fragments
- Z18.39Other retained organic fragments
- Z18.81Retained glass fragments
- Z18.83Retained stone or crystalline fragments
- Z18.89Other specified retained foreign body fragments
- Z18.9Retained foreign body fragments, unspecified material
- Z19.1Hormone sensitive malignancy status
- Z19.2Hormone resistant malignancy status
- Z20.09Contact with and (suspected) exposure to other intestinal infectious diseases
- Z20.1Contact with and (suspected) exposure to tuberculosis
- Z20.2Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission
- Z20.3Contact with and (suspected) exposure to rabies
- Z20.4Contact with and (suspected) exposure to rubella
- Z20.7Contact with and (suspected) exposure to pediculosis, acariasis and other infestations
- Z20.810Contact with and (suspected) exposure to anthrax
- Z20.818Contact with and (suspected) exposure to other bacterial communicable diseases
- Z20.821Contact with and (suspected) exposure to Zika virus
- Z20.822Contact with and (suspected) exposure to COVID-19
- Z20.89Contact with and (suspected) exposure to other communicable diseases
- Z20.9Contact with and (suspected) exposure to unspecified communicable disease
- Z22.0Carrier of typhoid
- Z22.1Carrier of other intestinal infectious diseases
- Z22.2Carrier of diphtheria
- Z22.31Carrier of bacterial disease due to meningococci
- Z22.321Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus
- Z22.322Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus
- Z22.330Carrier of Group B streptococcus
- Z22.338Carrier of other streptococcus
- Z22.340Carrier of carbapenem-resistant Acinetobacter baumannii
- Z22.341Carrier of carbapenem-sensitive Acinetobacter baumannii
- Z22.349Carrier of Acinetobacter baumannii, unspecified
- Z22.350Carrier of carbapenem-resistant Enterobacterales
- Z22.358Carrier of other Enterobacterales
- Z22.359Carrier of Enterobacterales, unspecified
- Z22.39Carrier of other specified bacterial diseases
- Z22.4Carrier of infections with a predominantly sexual mode of transmission
- Z22.6Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
- Z22.7Latent tuberculosis
- Z22.8Carrier of other infectious diseases
- Z22.9Carrier of infectious disease, unspecified
- Z23Encounter for immunization
- Z28.01Immunization not carried out because of acute illness of patient
- Z28.02Immunization not carried out because of chronic illness or condition of patient
- Z28.03Immunization not carried out because of immune compromised state of patient
- Z28.04Immunization not carried out because of patient allergy to vaccine or component
- Z28.09Immunization not carried out because of other contraindication
- Z28.1Immunization not carried out because of patient decision for reasons of belief or group pressure
- Z28.20Immunization not carried out because of patient decision for unspecified reason
- Z28.21Immunization not carried out because of patient refusal
- Z28.29Immunization not carried out because of patient decision for other reason
- Z28.310Unvaccinated for COVID-19
- Z28.311Partially vaccinated for COVID-19
- Z28.39Other underimmunization status
- Z28.81Immunization not carried out due to patient having had the disease
- Z28.82Immunization not carried out because of caregiver refusal
- Z28.83Immunization not carried out due to unavailability of vaccine
- Z28.89Immunization not carried out for other reason
- Z28.9Immunization not carried out for unspecified reason
- Z29.11Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV)
- Z29.12Encounter for prophylactic antivenin
- Z29.13Encounter for prophylactic Rho(D) immune globulin