WHO Immunization Implementation Guide
0.2.0 - ci-build

WHO Immunization Implementation Guide, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-immunizations/ and changes regularly. See the Directory of published versions

CodeSystem: IMMZ.D CodeSystem for Data Elements

Official URL: http://smart.who.int/immunizations/CodeSystem/IMMZ.D Version: 0.2.0
Active as of 2025-08-08 Computable Name: IMMZ_D

CodeSystem for IMMZ.D Data Elements

This Code system is referenced in the content logical definition of the following value sets:

This case-insensitive code system http://smart.who.int/immunizations/CodeSystem/IMMZ.D defines the following codes:

CodeDisplayDefinition
DE19 Vaccine type Vaccine type/category that was administered or was to be administered. Any vaccine code available in the IMMZ.Z Vaccine library list of codes applies in this data element
DE20 Date and time of vaccination Represents the visit/encounter date, which is the date and time when each vaccine was administered to the client
DE201 Contact date The date and time of the client's contact
DE202 ANC contact number The antenatal care (ANC) contact or visit number
DE124 Dose number Vaccine dose number including dose number within series
DE156 Immunization recommendation status The current status or recommendation for a specific immunization for an client
DE157 Not due The client is not currently eligible or scheduled for the specified immunization
DE158 Due The client is currently eligible and should receive the specified immunization based on the recommended schedule
DE189 Complete The client has received the specified immunization(s) based on the recommended schedule
DE159 Contraindicated The specified immunization is not recommended for the client due to contraindications
DE160 Further evaluation needed Additional assessment is necessary before making a recommendation regarding the specified immunization
DE161 Potential contraindications Specific situations or medical conditions for which it is advised or recommended to avoid or delay administering a particular vaccine
DE162 Currently pregnant The client is currently pregnant
DE163 Immunocompromised The client is known to be immunocompromised
DE200 Severely immunocompromised The client is known to be severely immunocompromised
DE164 Exposed to immunosuppressive treatment The client is undergoing immunosuppressive treatment or was exposed to immunosuppressive treatment in utero or via breastfeeding.
DE165 Severely immunosuppressed The client is known to be severely immunosuppressed
DE187 Immunodeficiency syndromes The client has immunodeficiency syndromes (e.g. HIV/AIDS, known or suspected congenital immunodeficiency, leukaemia, lymphoma or other malignant disease)
DE166 History of anaphylactic reactions The client is known to have history of anaphylaxis in the past
DE167 Severe allergic reactions The client is known to have severe allergic reaction
DE168 Symptomatic HIV infection The client is experiencing HIV-related symptoms
DE169 Planning to get pregnant in the next month The client's intention or desire is to become pregnant in the next month
DE170 Receiving blood products The client is receiving blood or blood-related products as part of a medical treatment.
DE188 Severe acute illness The client has a severe acute illness
DE190 TB disease The client has been diagnosed with tuberculosis (TB)
DE191 Breastfeeding The client is currently breastfeeding
DE192 Spina bifida The client has spina bifida
DE193 Bladder exstrophy The client has exstrophy of urinary bladder
DE194 Acute gastroenteritis The client has acute gastroenteritis
DE195 Moderate to severe fever The client has moderate to severe fever
DE196 Prior history of intussusception The client has prior history of intussusception
DE197 Altered immunocompetence The client's immune system is not functioning at its typical capacity
DE198 Hypersensitivity to vaccine components The client has heightened sensitivity or allergic reactions to specific components found in vaccines
DE199 Taking antibiotics The client is currently taking antibiotics to treat certain infections
DE86 Client education and counselling on immunization Providing information, guidance and support to client or caretakers (such as parents or legal guardians) regarding immunization practices
DE87 Counselling on functions of the immunological system Explaining to the client or caregiver how the vaccines work by triggering the body to produce an immune response
DE88 Advising about functions of the immunological system Explaining to the client or caregiver how the vaccines work by triggering the body to produce an immune response
DE89 Education to influence immunization behaviours Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases
DE90 Advising about immunization behaviours Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases
DE91 Awareness raising to influence immunization behaviours Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases
DE1 Immunization event status The current status of the individual immunization event
DE2 Completed The immunization event was successfully carried out as intended
DE3 Entered in error Immunization event record has been mistakenly created or entered into the system. Recorded information is incorrect or should not have been documented, though it is possible that real-world decisions were based on it
DE4 Not done Planned immunization event was not carried out for some reason
DE5 Reason vaccine was not administered The reason this immunization event was not performed
DE6 Immunity Testing has shown that the client already has immunity to the agent targeted by the immunization
DE7 Medical precaution The client currently has a medical condition for which the vaccine is contraindicated or for which precaution is warranted
DE8 Product out of stock There was no supply of the product on hand to perform the service
DE9 Client objection The client or their guardian objects to receiving the vaccine
DE10 Caregiver refusal The client's caregiver refused the vaccine
DE11 Unspecified reason The immunization event was not carried out for an unspecified reason
DE12 Client allergy to vaccine or component The immunization event was not carried out because of client allergy to vaccine or component
DE13 Immunocompromised The immunization event was not carried out because the client is immunocompromised
DE14 Chronic illness or condition The immunization event was not carried out due a chronic illness or condition of the client
DE15 Acute illness The immunization event was not carried out due to an acute illness present in the client
DE16 Had the disease The immunization event was not carried out due to the client having had the disease
DE17 Immunization not carried out for other reasons The immunization event was not carried out for other reasons
DE18 Vaccine brand The brand or trade name used to refer to the vaccine received
DE173 Live vaccine Uses a living but weakened version of the virus or one that is very similar
DE21 Country of vaccination The service delivery country where the vaccine administration occurred
DE22 Administrative area The service delivery location (location name, city, municipality, town or village) where the vaccine administration occurred
DE23 Vaccine manufacturer The manufacturer of the vaccine product
DE24 Vaccine batch number Batch number or lot number of vaccine
DE25 Vaccine market authorization holder Name of the market authorization holder of the vaccine received. If market authorization holder is unknown, vaccine manufacturer is REQUIRED
DE26 Expiration date The expiration date of the vaccine
DE34 Dose quantity The quantity of vaccine product that was administered
DE35 Health worker identifier The person, organization or role of the entity that performed the act of giving the vaccine to the client. The implementing system can choose to populate this field using data from a health worker registry or health-care facility registry
DE125 Total doses in series The recommended number of doses for immunity according to the national immunization schedule (which may be based on product, age, etc.)
DE126 Disease targeted Vaccine-preventable disease being targeted
DE127 Typhoid The vaccine-preventable disease being targeted is typhoid
DE128 Influenza The vaccine-preventable disease being targeted is influenza
DE129 Measles The vaccine-preventable disease being targeted is measles
DE133 Pertussis The vaccine-preventable disease being targeted is pertussis
DE135 Mumps The vaccine-preventable disease being targeted is mumps
DE136 Varicella The vaccine-preventable disease being targeted is varicella
DE137 Viral hepatitis A The vaccine-preventable disease being targeted is viral hepatitis A
DE139 Tuberculosis The vaccine-preventable disease being targeted is TB
DE140 Viral hepatitis B The vaccine-preventable disease being targeted is viral hepatitis B
DE141 Haemophilus influenzae type b The vaccine-preventable disease being targeted is Haemophilus influenzae type b (Hib)
DE142 Tetanus The vaccine-preventable disease being targeted is tetanus
DE143 Rotavirus The vaccine-preventable disease being targeted is rotavirus
DE144 Human papillomavirus The vaccine-preventable disease being targeted is human papillomavirus (HPV) infection
DE175 Japanese encephalitis The vaccine-preventable disease being targeted is Japanese encephalitis (JE)
DE146 Poliomyelitis The vaccine-preventable disease being targeted is poliomyelitis (polio)
DE176 Diphtheria The vaccine-preventable disease being targeted is diphtheria
DE177 Pneumococcal disease The vaccine-preventable disease being targeted is pneumococcal
DE178 Rubella The vaccine-preventable disease being targeted is rubella
DE179 Dengue The vaccine-preventable disease being targeted is dengue
DE180 Rabies The vaccine-preventable disease being targeted is rabies
DE181 Meningococcal The vaccine-preventable disease being targeted is meningococcal
DE182 Cholera The vaccine-preventable disease being targeted is cholera
DE183 Tick-borne encephalitis The vaccine-preventable disease being targeted is tick-borne encephalitis (TBE)
DE184 Yellow fever The vaccine-preventable disease being targeted is yellow fever
DE148 COVID-19 The vaccine-preventable disease being targeted is coronovirus disease (COVID-19)
DE149 Due date of next dose Date on which the next vaccination should be administered, if a next dose is required
DE92 Reaction reported Indicates observation of an adverse event/reaction
DE93 Reaction date When adverse event/reaction started
DE95 Reaction manifestation The manifestation of the reaction (e.g. infected abscess, swelling, rash, hives, diarrhoea, etc.) observed after administering the vaccine
DE96 Severe local reaction The client's reaction manifested in severe local reaction
DE98 Seizures The client's reaction manifested in seizures
DE99 Abscess The client's reaction manifested in an abscess
DE100 Sepsis The client's reaction manifested in sepsis
DE101 Encephalopathy The client's reaction manifested in encephalopathy
DE102 Toxic shock syndrome The client's reaction manifested in toxic shock syndrome
DE103 Anaphylaxis The client's reaction manifested in anaphylaxis
DE104 Fever The client's reaction manifested as a fever
DE105 Other The client's reaction manifested in another way
DE107 Type of reaction If the event resulted in a reaction, what is the type of reaction
DE174 Non serious The reaction resulted in a mild or minor response and did not pose a significant threat to client's health
DE108 Death The reaction resulted in the client's death
DE109 Life threatening The reaction threatened the client's life
DE110 Disability The reaction resulted in a disability
DE111 Hospitalization The reaction resulted in a hospitalization
DE112 Congenital anomaly The reaction was a congenital anomaly or birth defect
DE113 Other important medical event (specify) There was another important reaction or medical event
DE115 Reaction outcome The outcome of the reaction (e.g. death, recovered, recovering)
DE116 Died The adverse event resulted in the client's death
DE117 Recovered The client fully recovered
DE118 Recovered with sequelae The client has recovered with sequelae as a consequence of the reaction/vaccination
DE119 Recovering The client is recovering
DE120 Not recovered The client has not recovered
DE121 Unknown The client's reaction outcome is unknown
DE185 Date/time of follow-up appointment Date the client is to return for next vaccination
DE186 Recommended follow-up date Date when follow-up is recommended based on vaccination schedule
DE150 Digital certificate needed Indicates if a digital certificate is required
DE151 Certificate issuer The authority or authorized organization that issued the vaccination certificate
DE152 Health Certificate Identifier (HCID) Unique identifier used to associate the immunization event represented in a paper vaccination card to its digital representation(s)
DE153 Certificate valid from Date in which the certificate for an immunization event became valid. No health or clinical inferences should be made from this date
DE154 Certificate valid until Last date in which the certificate for an immunization event is valid. No health or clinical inferences should be made from this date
DE155 Certificate schema version Version of the core data set and HL7 Fast Health Interoperability Resources (FHIR) implementation guide that the certificate is using
DE263 Birth dose Indicates if the client received a dose within 24 hours of birth. Whether a birth dose is counted as part of the primary series will depend on the antigen
DE258 Type of dose The type of dose in a series that the client received
DE259 Primary series Indicates that the client received the primary vaccination series of a product/antigen. This is also applicable for antigens with one dose
DE260 Dose 0 Indicates that the client received a dose of a product/ antigen that is not a part of the primary vaccination series and is administered before the primary vaccination series is provided
DE261 Supplementary dose Indicates that the client received a supplementary dose of a product/antigen
DE262 Booster dose Indicates that the client received booster dose of a product/antigen
DE203 Completed the primary vaccination series Indicates if the client has completed the primary vaccination series of a product/antigen. If the client has not yet completed their primary series, it means they may be expected to receive more doses to complete their vaccination regimen for the respective product/antigen
DE257 Completed the booster series Indicates if the client has completed the booster series of a product/antigen
DE242 Date when primary vaccination series was completed The date when the client completed the primary vaccination series (per product/antigen)
DE204 HIV status The current HIV status of the client
DE205 HIV-positive The client is known to be HIV-positive
DE206 HIV-negative The client is known to be HIV-negative
DE207 Unknown The client's HIV status is unknown
DE208 Preterm birth The infant was preterm; the mother gave birth to the infant when gestational age was less than 37 weeks
DE209 Immunocompromised The client is known to be immunocompromised. This means the client has a weakened immune system and having a reduced ability to fight infections and other diseases
DE210 Currently on ART The client is currently receiving antiretroviral therapy (ART)
DE243 Type of TB infection test performed The type of tuberculosis (TB) infection test performed
DE244 IGRA Interferon-gamma release assay (IGRA)
DE245 TST Tuberculin skin test (TST)
DE246 TB infection test result Records the result of the TB infection test
DE247 Positive Test result was positive
DE248 Negative Test result was negative
DE249 Immunologically stable The client is living with HIV and is immunologically stable with CD4 count or percentage above a minimum as defined in the HIV guidelines
DE250 Clinically well The client is living with HIV and is clinically well, as defined in HIV guidelines and WHO clinical staging
DE211 Birth weight in grams Represents the client's birth weight value measures in grams
DE212 Type of poliovirus dose The type of the poliovirus vaccine dose administered to the client
DE213 IPV Inactivated polio vaccine (IPV)
DE214 bOPV Bivalent oral polio vaccine (bOPV)
DE215 ART start date The date on which the client started or restarted ART
DE251 High risk of pneumococcal infection The client is at high risk for pneumococcal infection because of underlying medical conditions (i.e. HIV infection or sickle-cell disease)
DE216 Type of JE dose The type of Japanese encephalitis (JE) vaccine dose administered to the client
DE217 Inactivated Vero cell-derived vaccine Inactivated Vero cell-derived JE vaccine type
DE218 Live attenuated vaccine Live attenuated JE vaccine type
DE219 Live recombinant vaccine Live recombinant JE vaccine type
DE220 Type of TBE dose The type of tick-borne encephalitis (TBE) vaccine dose administered
DE221 FSME-Immun FSME-Immun vaccine product, which is an inactivated whole-virus vaccine for TBE
DE222 Encepur Encepur vaccine product, which is an inactivated viral vaccine for TBE
DE223 TBE-Moscow TBE-Moscow vaccine product, which is a vaccine for TBE
DE224 EnceVir EnceVir vaccine product, which is a vaccine for TBE
DE225 Type of typhoid dose The type of typhoid vaccine dose administered to the client
DE226 Typbar-TCV Typbar typhoid conjugate vaccine (Typbar-TCV)
DE227 ViPS Vi polysaccharide (ViPS) vaccine
DE228 Ty21a Ty21a vaccine
DE229 Type of cholera dose The type of cholera vaccine dose administered to the client
DE230 WC vaccine Killed whole-cell (WC) only cholera vaccine
DE231 WC-rBS vaccine Vaccine contains a mixture of the recombinant B subunit (rBS) of cholera toxin plus killed WC
DE232 Type of meningococcal dose The type of meningococcal vaccine dose administered to the client
DE233 MenA conjugate vaccine (5µg) Monovalent serogroup A (MenA) conjugate vaccine (5µg)
DE234 Monovalent MenC conjugate Monovalent MenC conjugate vaccine
DE235 Quadrivalent conjugate Quadrivalent conjugate (A,C,W135,Y-D and A,C,W135,Y-CRM) vaccines
DE252 Polysaccharide vaccine Polysaccharide vaccines not including polysaccharide-protein conjugate vaccines
DE236 Age in months when client received first meningococcal dose The age in months when client received their first meningococcal dose
DE237 Type of hepatitis A dose The type of hepatitis A-containing vaccine dose administered to the client
DE238 Live attenuated hepatitis A vaccine Live attenuated hepatitis A vaccine
DE239 Inactivated hepatitis A vaccine Inactivated hepatitis A vaccine
DE254 Type of hepatitis B dose The type of hepatitis B-containing vaccine dose administered to the client
DE255 Hepatitis B monovalent vaccine Hepatitis B monovalent vaccine
DE256 Hepatitis B combination vaccine Hepatitis B combination vaccine
DE240 VNA level Vaccine-induced neutralizing antibody (VNA) level, measured as a serum antibody concentration from the result of the concentrated, purified cell culture-derived and embryonated egg-based rabies vaccines (CCEEV)
DE253 Risk of occupational exposure to rabies virus Professional at risk of occupational exposure to rabies virus, particularly animal health workers. Also considered for medical professionals who regularly provide care to persons with rabies
DE241 Dengue serostatus Indicates the result of a serological test determining whether the client has antibodies against the dengue virus
DE264 Positive The client has detectable antibodies against the dengue virus, suggesting past exposure or vaccination
DE265 Negative The client does not have detectable antibodies, indicating no previous exposure or vaccination against the dengue virus
DE266 Unknown The client's dengue serostatus is unknown