Z28
Non-billableImmunization not carried out and underimmunization status
Immunization not carried out and underimmunization status
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
Z20-Z29
Child Codes
6
Coding Notes
Includes
Conditions included under this code
- vaccination not carried out
Code Also
A second code may be required; sequencing depends on circumstances
- , if applicable, encounter for immunization safety counseling (Z71.85)
Child Codes (6)
Z28.0Immunization not carried out because of contraindication
Z28.1Immuniz not crd out because of patient belief/grp pressr
Z28.2Immuniz not crd out bec pt decision for oth and unsp reason
Z28.3Underimmunization status
Z28.8Immunization not carried out for other reason
Z28.9Immunization not carried out for unspecified reason
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code Z28?
ICD-10-CM code Z28 represents "Immunization not carried out and underimmunization status". It is a non-billable header code — use a more specific child code for billing purposes.
Is Z28 a billable code?
No, Z28 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under Z28.
What chapter is Z28 in?
Z28 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).
What are the subcategories under Z28?
Z28 has 6 child codes, including: Z28.0 (Immunization not carried out because of contraindication), Z28.1 (Immuniz not crd out because of patient belief/grp pressr), Z28.2 (Immuniz not crd out bec pt decision for oth and unsp reason), Z28.3 (Underimmunization status), and 2 more.
What are the UMLS CUIs for Z28?
Z28 is linked to 2 UMLS Concept Unique Identifiers: C2910669, C1561700. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.