Z28

The ICD-10-CM code for immunization not carried out and underimmunization status is Z28. The full clinical description is "Immunization not carried out and underimmunization status". Z28 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code Z28 represents “Immunization not carried out and underimmunization status”. It is classified under Chapter 22: Factors Influencing Health Status and Contact With Health Services and is a non-billable header code. Use a more specific child code for billing purposes.

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.

Z28 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services (codes Z00-Z99).

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.

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.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like immunization not carried out and underimmunization status affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

Z28 maps to the ICD-11 code: QC04.Z (Immunization not carried out for unspecified reason).