R84 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Abnormal findings in specimens from respiratory organs and thorax.
Includes
- Abnormal findings in bronchial washings 
- Abnormal findings in nasal secretions 
- Abnormal findings in pleural fluid 
- Abnormal findings in sputum 
- Abnormal findings in throat scrapings 
Type 1 excludes
- Blood-stained sputum (R04.2) 
Codes
- R84.0- Abnormal level of enzymes in specimens from respiratory organs and thorax 
- R84.1- Abnormal level of hormones in specimens from respiratory organs and thorax 
- 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 
- R84.4- Abnormal immunological findings in specimens from respiratory organs and thorax 
- R84.5- Abnormal microbiological findings in specimens from respiratory organs and thorax 
- R84.6- Abnormal cytological findings in specimens from respiratory organs and thorax 
- R84.7- Abnormal histological findings in specimens from respiratory organs and thorax 
- R84.8- Other abnormal findings in specimens from respiratory organs and thorax 
- R84.9- Unspecified abnormal finding in specimens from respiratory organs and thorax 
Versions
- 2025- No changes 
- 2024- No changes 
- 2023- No changes 
- 2022- No changes 
- 2021- No changes 
- 2020- No changes 
- 2019- No changes 
- 2018- No changes 
- 2017- No changes 
- 2016- New code