Z01.84
✓ BillableEncounter for antibody response examination
Factors influencing health status and contact with health services (Z00-Z99)
Also Known As
Encounter for immunity status testing
❌ Excludes1
directCannot be coded with Z01.84
- • encounter for allergy testing (Z01.82)
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CodeZ01.84
BillableYes
ParentZ01.8
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes11 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)