Chapter 18
R00–R99: Symptoms, Signs and Abnormal Clinical and Laboratory Findings
Symptoms, Signs and Abnormal Clinical and Laboratory Findings diagnostic classification updated for 2026.
Chapter Instructions
- R84.2—
Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thorax
- R84.3—
Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax
- R85.2—
Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity
- R85.3—
Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity
- R85.611—
Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)
