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