R83.5 – Abnormal microbiological findings in cerebrospinal fluid
ICD-10-CM 2027 diagnosis code · Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
- Code
R83.5(claims format:R835)- Description
- Abnormal microbiological findings in cerebrospinal fluid
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R83-R89 Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
- Parent codes
- R83
Notes for R83.5
- Positive culture findings in cerebrospinal fluid
- colonization status (Z22.-)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block R83-R89
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Index terms for R83.5
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R83
- R83.0 – Abnormal level of enzymes in cerebrospinal fluidBillable
- R83.1 – Abnormal level of hormones in cerebrospinal fluidBillable
- R83.2 – Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluidBillable
- R83.3 – Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluidBillable
- R83.4 – Abnormal immunological findings in cerebrospinal fluidBillable
- R83.6 – Abnormal cytological findings in cerebrospinal fluidBillable
- R83.8 – Other abnormal findings in cerebrospinal fluidBillable
- R83.9 – Unspecified abnormal finding in cerebrospinal fluidBillable
Frequently asked questions
What is ICD-10 code R83.5?
R83.5 is the ICD-10-CM code for abnormal microbiological findings in cerebrospinal fluid, in the block R83-R89 (Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis).
Is R83.5 a billable code?
Yes. R83.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R83.5 belong to?
It belongs to category R83 – Abnormal findings in cerebrospinal fluid.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.