ICD-10-CM
ICD-10 code for Blood in urine: R31.9
The CDC title for "Blood in urine" is R31 (Hematuria), a header that is not billable. When nothing more specific is documented, the billable code is R31.9, Hematuria, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under R31, then other CDC titles that name hematuria
A header groups codes and is not billed. A billable code is one you can report.
- R31HematuriaHeader
- R31.0Gross hematuriaBillable
- R31.1Benign essential microscopic hematuriaBillable
- R31.2Other microscopic hematuriaHeader
- R31.21Asymptomatic microscopic hematuriaBillable
- R31.29Other microscopic hematuriaBillable
- R31.9Hematuria, unspecifiedBillable
- N02Recurrent and persistent hematuriaHeader
- N02.0Recurrent and persistent hematuria with minor glomerular abnormalityBillable
- N02.1Recurrent and persistent hematuria with focal and segmental glomerular lesionsBillable
- N02.2Recurrent and persistent hematuria with diffuse membranous glomerulonephritisBillable
- N02.3Recurrent and persistent hematuria with diffuse mesangial proliferative glomerulonephritisBillable
- N02.4Recurrent and persistent hematuria with diffuse endocapillary proliferative glomerulonephritisBillable
- N02.5Recurrent and persistent hematuria with diffuse mesangiocapillary glomerulonephritisBillable
- N02.6Recurrent and persistent hematuria with dense deposit diseaseBillable
- N02.7Recurrent and persistent hematuria with diffuse crescentic glomerulonephritisBillable
- N02.8Recurrent and persistent hematuria with other morphologic changesBillable
- N02.9Recurrent and persistent hematuria with unspecified morphologic changesBillable
- N02.ARecurrent and persistent hematuria with C3 glomerulonephritisBillable
- N30.01Acute cystitis with hematuriaBillable
- N30.11Interstitial cystitis (chronic) with hematuriaBillable
- N30.21Other chronic cystitis with hematuriaBillable
- N30.31Trigonitis with hematuriaBillable
- N30.41Irradiation cystitis with hematuriaBillable
- N30.81Other cystitis with hematuriaBillable
- N30.91Cystitis, unspecified with hematuriaBillable
Excludes1
Excludes1 means these codes are not reported together.
From R31. A note on a category applies to every code under it.
- hematuria included with underlying conditions, such as:
- N30.01Acute cystitis with hematuria
- N02.-Recurrent and persistent hematuria in glomerular diseases
Related conditions
Related pages
- R31.9 code detailsNotes, nearby codes, CMS-HCC group
- Category R31Every code under it
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Blood in urine?
The CDC title for "Blood in urine" is R31 (Hematuria), a header that is not billable. When nothing more specific is documented, the billable code is R31.9, Hematuria, unspecified.
Is R31.9 billable?
Yes. R31.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R31.9?
The CDC tabular list gives 3 Excludes1 notes (not coded together) for R31.9 and the categories above it. They are listed on this page.
What chapter is R31.9 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.