Emergency: 119
AMDA-IMIC

R83 Abnormal findings in cerebrospinal fluid

Category / Non-billable header 9 subcodes

Block: Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
R83..0 Abnormal level of enzymes in cerebrospinal fluid Yes
R83..1 Abnormal level of hormones in cerebrospinal fluid Yes
R83..2 Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid Yes
R83..3 Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid Yes
R83..4 Abnormal immunological findings in cerebrospinal fluid Yes
R83..5 Abnormal microbiological findings in cerebrospinal fluid Yes
R83..6 Abnormal cytological findings in cerebrospinal fluid Yes
R83..8 Other abnormal findings in cerebrospinal fluid Yes
R83..9 Unspecified abnormal finding in cerebrospinal fluid Yes

Last reviewed: September 2026