R84 Abnormal findings in specimens from respiratory organs and thorax ( Search )
- R840 Abnormal findings in specimens from respiratory organs and thorax: Abnormal level of enzymes ( Search )
- R841 Abnormal findings in specimens from respiratory organs and thorax: Abnormal level of hormones ( Search )
- R842 "Abnormal findings in specimens from respiratory organs and thorax: Abnormal level of other drugs, medicaments and biological substances" ( Search )
- R843 Abnormal findings in specimens from respiratory organs and thorax: Abnormal level of substances chiefly nonmedicinal as to source ( Search )
- R844 Abnormal findings in specimens from respiratory organs and thorax: Abnormal immunological findings ( Search )
- R845 Abnormal findings in specimens from respiratory organs and thorax: Abnormal microbiological findings ( Search )
- R846 Abnormal findings in specimens from respiratory organs and thorax: Abnormal cytological findings ( Search )
- R847 Abnormal findings in specimens from respiratory organs and thorax: Abnormal histological findings ( Search )
- R848 Abnormal findings in specimens from respiratory organs and thorax: Other abnormal findings ( Search )
- R849 Abnormal findings in specimens from respiratory organs and thorax: Unspecified abnormal finding ( Search )
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