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Z03.818 Encounter for observation for suspected exposure to other biological agents ruled out

BackZ03Encounter for medical observation for suspected diseases and conditions ruled out3 →Z03.6Encounter for observation for suspected toxic effect from ingested substance ruled outZ03.7Encounter for suspected maternal and fetal conditions ruled out6 →Z03.71Encounter for suspected problem with amniotic cavity and membrane ruled outZ03.72Encounter for suspected placental problem ruled outZ03.73Encounter for suspected fetal anomaly ruled outZ03.74Encounter for suspected problem with fetal growth ruled outZ03.75Encounter for suspected cervical shortening ruled outZ03.79Encounter for other suspected maternal and fetal conditions ruled outZ03.8Encounter for observation for other suspected diseases and conditions ruled out4 →Z03.81Encounter for observation for suspected exposure to biological agents ruled out2 →Z03.810Encounter for observation for suspected exposure to anthrax ruled outZ03.818Encounter for observation for suspected exposure to other biological agents ruled outZ03.82Encounter for observation for suspected foreign body ruled out3 →Z03.821Encounter for observation for suspected ingested foreign body ruled outZ03.822Encounter for observation for suspected aspirated (inhaled) foreign body ruled outZ03.823Encounter for observation for suspected inserted (injected) foreign body ruled outZ03.83Encounter for observation for suspected conditions related to home physiologic monitoring device ruled outZ03.89Encounter for observation for other suspected diseases and conditions ruled out
CategoryCODABLE
Z03.818
Encounter for observation for suspected exposure to other biological agents ruled out
Chapter
XXI · Factors influencing health status and contact with health services
Section
Z00-Z13
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.