R83.3
BillableAbnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid
R83.3 is the ICD-10-CM code for Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid. It is a billable, specific code valid for reimbursement.
R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code R83.3?
- R83.3 is the ICD-10-CM code for "Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Is R83.3 a billable code?
- Yes — R83.3 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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