R31.0: Gross hematuria
R31.0 is the billable ICD-10-CM diagnosis code for Gross hematuria. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code R31.0?
R31.0 is the ICD-10-CM diagnosis code for Gross hematuria. It belongs to category R31 (Hematuria).
Is R31.0 a billable code?
Yes. R31.0 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does R31.0 belong to?
R31.0 is part of ICD-10-CM category R31 — Hematuria, which has 10 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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