R82.91 Other chromoabnormalities of urine

Billable ICD-10-CM code, FY2026.

Applicable to

• Chromoconversion (dipstick)
• Idiopathic dipstick converts positive for blood with no cellular forms in sediment

Excludes1 (never code together)

• hemoglobinuria (R82.3)
• myoglobinuria (R82.1)

Applies from R82 Other and unspecified abnormal findings in urine

Includes

• chromoabnormalities in urine

Excludes2 (not included here)

• hematuria (R31.-)

Use additional code

• code to identify any retained foreign body, if applicable (Z18.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 791.9 Other nonspecific findings on examination of urine (approximate)

Diagnosis Index entries for R82.91

• Abnormal, abnormality, abnormalities › urine (constituents) › specified substance NEC › chromoabnormality NEC
• Chromoconversion

Nearby codes

• R82.8 Abnormal findings on cytological and histological examination of urine
• R82.81 Pyuria
• R82.89 Other abnormal findings on cytological and histological examination of urine
• R82.9 Other and unspecified abnormal findings in urine
• R82.90 Unspecified abnormal findings in urine
• R82.91 Other chromoabnormalities of urine (this code)
• R82.99 Other abnormal findings in urine
• R82.991 Hypocitraturia
• R82.992 Hyperoxaluria
• R82.993 Hyperuricosuria
• R82.994 Hypercalciuria