| Code | Description |
| T81.503A | Unspecified complication of foreign body accidentally left in body following injection or immunization, initial encounter |
| T81.503D | Unspecified complication of foreign body accidentally left in body following injection or immunization, subsequent encounter |
| T81.503S | Unspecified complication of foreign body accidentally left in body following injection or immunization, sequela |
| T81.513A | Adhesions due to foreign body accidentally left in body following injection or immunization, initial encounter |
| T81.513D | Adhesions due to foreign body accidentally left in body following injection or immunization, subsequent encounter |
| T81.513S | Adhesions due to foreign body accidentally left in body following injection or immunization, sequela |
| T81.523A | Obstruction due to foreign body accidentally left in body following injection or immunization, initial encounter |
| T81.523D | Obstruction due to foreign body accidentally left in body following injection or immunization, subsequent encounter |
| T81.523S | Obstruction due to foreign body accidentally left in body following injection or immunization, sequela |
| T81.533A | Perforation due to foreign body accidentally left in body following injection or immunization, initial encounter |
| T81.533D | Perforation due to foreign body accidentally left in body following injection or immunization, subsequent encounter |
| T81.533S | Perforation due to foreign body accidentally left in body following injection or immunization, sequela |
| T81.593A | Other complications of foreign body accidentally left in body following injection or immunization, initial encounter |
| T81.593D | Other complications of foreign body accidentally left in body following injection or immunization, subsequent encounter |
| T81.593S | Other complications of foreign body accidentally left in body following injection or immunization, sequela |
| T88.0XXA | Infection following immunization, initial encounter |
| T88.0XXD | Infection following immunization, subsequent encounter |
| T88.0XXS | Infection following immunization, sequela |
| T88.1XXA | Other complications following immunization, not elsewhere classified, initial encounter |
| T88.1XXD | Other complications following immunization, not elsewhere classified, subsequent encounter |
| T88.1XXS | Other complications following immunization, not elsewhere classified, sequela |
| Y62.3 | Failure of sterile precautions during injection or immunization |
| Y64.1 | Contaminated medical or biological substance, injected or used for immunization |
| Z23. | Encounter for immunization |
| Z28.01 | Immunization not carried out because of acute illness of patient |
| Z28.02 | Immunization not carried out because of chronic illness or condition of patient |
| Z28.03 | Immunization not carried out because of immune compromised state of patient |
| Z28.04 | Immunization not carried out because of patient allergy to vaccine or component |
| Z28.09 | Immunization not carried out because of other contraindication |
| Z28.1 | Immunization not carried out because of patient decision for reasons of belief or group pressure |
| Z28.20 | Immunization not carried out because of patient decision for unspecified reason |
| Z28.21 | Immunization not carried out because of patient refusal |
| Z28.29 | Immunization not carried out because of patient decision for other reason |
| Z28.81 | Immunization not carried out due to patient having had the disease |
| Z28.82 | Immunization not carried out because of caregiver refusal |
| Z28.89 | Immunization not carried out for other reason |
| Z28.9 | Immunization not carried out for unspecified reason |