Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
R83: Abnormal findings in cerebrospinal fluid
R83.0: Abnormal level of enzymes in cerebrospinal fluid
R83.1: Abnormal level of hormones in cerebrospinal fluid
R83.2: Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid
R83.3: Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid
R83.4: Abnormal immunological findings in cerebrospinal fluid
R83.5: Abnormal microbiological findings in cerebrospinal fluid
R83.6: Abnormal cytological findings in cerebrospinal fluid
R83.8: Other abnormal findings in cerebrospinal fluid
R83.9: Unspecified abnormal finding in cerebrospinal fluid
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