R83 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Abnormal findings in cerebrospinal fluid.
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Abnormal level of enzymes in cerebrospinal fluid
Abnormal level of hormones in cerebrospinal fluid
Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid
Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid
Abnormal immunological findings in cerebrospinal fluid
Abnormal microbiological findings in cerebrospinal fluid
Abnormal cytological findings in cerebrospinal fluid
Other abnormal findings in cerebrospinal fluid
Unspecified abnormal finding in cerebrospinal fluid
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