Excludes1

  • abnormal findings on antenatal screening of mother (O28.-)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index

Excludes2

  • abnormal findings on examination of blood, without diagnosis (R70-R79)
  • abnormal findings on examination of urine, without diagnosis (R80-R82)
  • abnormal tumor markers (R97.-)
  1. R83 Abnormal findings in cerebrospinal fluid

    1. R83.0 Abnormal level of enzymes in cerebrospinal fluid

    2. R83.1 Abnormal level of hormones in cerebrospinal fluid

    3. R83.2 Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid

    4. R83.3 Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid

    5. R83.4 Abnormal immunological findings in cerebrospinal fluid

    6. R83.5 Abnormal microbiological findings in cerebrospinal fluid

      Inclusion term(s):

      • Positive culture findings in cerebrospinal fluid
    7. R83.6 Abnormal cytological findings in cerebrospinal fluid

    8. R83.8 Other abnormal findings in cerebrospinal fluid

      Inclusion term(s):

      • Abnormal chromosomal findings in cerebrospinal fluid
    9. R83.9 Unspecified abnormal finding in cerebrospinal fluid

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.