R31 – Hematuria
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the genitourinary system
ICD-10-CM code
R31
- Code
R31(claims format:R31)- Description
- Hematuria
- Billable
- No – use a more specific code below
- 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
- R30-R39 Symptoms and signs involving the genitourinary system
Billable codes under R31
R31 is a header code and cannot be used on claims. Choose the most specific code:
- R31.0 – Gross hematuriaBillable
- R31.1 – Benign essential microscopic hematuriaBillable
- R31.2 – Other microscopic hematuriaHeader (more codes below)
- R31.9 – Hematuria, unspecifiedBillable
Notes for R31
Frequently asked questions
What is ICD-10 code R31?
R31 is the ICD-10-CM code for hematuria, in the block R30-R39 (Symptoms and signs involving the genitourinary system).
Is R31 a billable code?
No. R31 is a header code with more specific child codes; report one of the billable codes listed above.
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.