R31.0

ICD-10Billable

Gross hematuria

Official ICD-10-CM descriptor (FY2026)

Gross hematuria

R31.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in R31

R31.1Benign essential microscopic hematuria
R31.2Other microscopic hematuriacategory
R31.9Hematuria, unspecified

Where this code sits

Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: Symptoms and signs involving the genitourinary system (R30-R39)
Parent code: R31

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.