Z29 Encounter for other prophylactic measures

Category / Non-billable header 10 subcodes

Block: Persons with potential health hazards related to communicable diseases (Z20-Z29)

Excludes 1 (cannot be coded together)

  • desensitization to allergens (Z51.6)
  • prophylactic surgery (Z40.-)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Z29..1 Encounter for prophylactic immunotherapy No
Z29..11 Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV) Yes
Z29..12 Encounter for prophylactic antivenin Yes
Z29..13 Encounter for prophylactic Rho(D) immune globulin Yes
Z29..14 Encounter for prophylactic rabies immune globulin Yes
Z29..3 Encounter for prophylactic fluoride administration Yes
Z29..8 Encounter for other specified prophylactic measures No
Z29..81 Encounter for HIV pre-exposure prophylaxis Yes
Z29..89 Encounter for other specified prophylactic measures Yes
Z29..9 Encounter for prophylactic measures, unspecified Yes

Last reviewed: September 2026