R31.9 Hematuria, unspecified

Billable ICD-10-CM code, FY2026.

Applies from R31 Hematuria

Excludes1 (never code together)

• hematuria included with underlying conditions, such as:
• acute cystitis with hematuria (N30.01)
• recurrent and persistent hematuria in glomerular diseases (N02.-)

MS-DRG index

Defines the logic of DRG(s) 695-696 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 599.70 Hematuria, unspecified

Code annotations containing back-references to R31.9

Back-references to R31.9

• Type 1 Excludes: N02 Recurrent and persistent hematuria ("hematuria NOS (R31.9)")

Back-references to R31

• Type 1 Excludes: N02 Recurrent and persistent hematuria ("hematuria not associated with specified morphologic lesions (R31.-)")
• Type 2 Excludes: N39 Other disorders of urinary system ("hematuria NOS (R31.-)")
• Type 1 Excludes: N42.1 Congestion and hemorrhage of prostate ("hematuria (R31.-)")
• Type 2 Excludes: R82 Other and unspecified abnormal findings in urine ("hematuria (R31.-)")

Diagnosis Index entries for R31.9

• Hematuria
• Hemorrhage, hemorrhagic (concealed) › genitourinary (tract) NOS
• Tommaselli's disease

Nearby codes

• R31.0 Gross hematuria
• R31.1 Benign essential microscopic hematuria
• R31.2 Other microscopic hematuria
• R31.21 Asymptomatic microscopic hematuria
• R31.29 Other microscopic hematuria
• R31.9 Hematuria, unspecified (this code)