Is R83 a billable ICD-10-CM code?

No. R83 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R83 sit in the tabular list?

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89).

R83

R83 — Abnormal findings in cerebrospinal fluid

Non-billable headerICD-10-CM

R83 is a non-billable header ICD-10-CM code for abnormal findings in cerebrospinal fluid. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

R83 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead R83

9 child codes. Green means billable.

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

Questions about R83

Is R83 a billable ICD-10-CM code?: No. R83 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R83 sit in the tabular list?: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89).