Z00–Z99
Factors Influencing Health Status
Preventive care, screenings, immunizations
Z28.1
Immunization not carried out because of patient decision for reasons of belief or group pressure
Billable
Z28.2
Immunization not carried out because of patient decision for other and unspecified reason
Non-billable
Z28.20
Immunization not carried out because of patient decision for unspecified reason
Billable
Z28.21
Immunization not carried out because of patient refusal
Billable
Z28.29
Immunization not carried out because of patient decision for other reason
Billable
Z28.3
Underimmunization status
Non-billable
Z28.31
Underimmunization for COVID-19 status
Non-billable
Z28.310
Unvaccinated for COVID-19
Billable
Z28.311
Partially vaccinated for COVID-19
Billable
Z28.39
Other underimmunization status
Billable
Z28.8
Immunization not carried out for other reason
Non-billable
Z28.81
Immunization not carried out due to patient having had the disease
Billable
Z28.82
Immunization not carried out because of caregiver refusal
Billable
Z28.83
Immunization not carried out due to unavailability of vaccine
Billable
Z28.89
Immunization not carried out for other reason
Billable
Z28.9
Immunization not carried out for unspecified reason
Billable
Z29
Encounter for other prophylactic measures
Non-billable
Z29.1
Encounter for prophylactic immunotherapy
Non-billable
Z29.11
Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV)
Billable
Z29.12
Encounter for prophylactic antivenin
Billable
Z29.13
Encounter for prophylactic Rho(D) immune globulin
Billable
Z29.14
Encounter for prophylactic rabies immune globin
Billable
Z29.3
Encounter for prophylactic fluoride administration
Billable
Z29.8
Encounter for other specified prophylactic measures
Non-billable
Z29.81
Encounter for HIV pre-exposure prophylaxis
Billable
Z29.89
Encounter for other specified prophylactic measures
Billable
Z29.9
Encounter for prophylactic measures, unspecified
Billable
Z30
Encounter for contraceptive management
Non-billable
Z30.0
Encounter for general counseling and advice on contraception
Non-billable
Z30.01
Encounter for initial prescription of contraceptives
Non-billable
Z30.011
Encounter for initial prescription of contraceptive pills
Billable
Z30.012
Encounter for prescription of emergency contraception
Billable
Z30.013
Encounter for initial prescription of injectable contraceptive
Billable
Z30.014
Encounter for initial prescription of intrauterine contraceptive device
Billable
Z30.015
Encounter for initial prescription of vaginal ring hormonal contraceptive
Billable
Z30.016
Encounter for initial prescription of transdermal patch hormonal contraceptive device
Billable
Z30.017
Encounter for initial prescription of implantable subdermal contraceptive
Billable
Z30.018
Encounter for initial prescription of other contraceptives
Billable
Z30.019
Encounter for initial prescription of contraceptives, unspecified
Billable
Z30.02
Counseling and instruction in natural family planning to avoid pregnancy
Billable
Z30.09
Encounter for other general counseling and advice on contraception
Billable
Z30.2
Encounter for sterilization
Billable
Z30.4
Encounter for surveillance of contraceptives
Non-billable
Z30.40
Encounter for surveillance of contraceptives, unspecified
Billable
Z30.41
Encounter for surveillance of contraceptive pills
Billable
Z30.42
Encounter for surveillance of injectable contraceptive
Billable
Z30.43
Encounter for surveillance of intrauterine contraceptive device
Non-billable
Z30.430
Encounter for insertion of intrauterine contraceptive device
Billable
Z30.431
Encounter for routine checking of intrauterine contraceptive device
Billable
Z30.432
Encounter for removal of intrauterine contraceptive device
Billable
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