ICD-10-CM 2027
ICD-10 code for Chromoconversion
From the official ICD-10-CM alphabetic index entry “Chromoconversion”. Page updated September 29, 2026.
About coding Chromoconversion
The ICD-10-CM code for Chromoconversion is R82.91 (Other chromoabnormalities of urine).
Within R82.9, choose R82.91 (Other chromoabnormalities of urine) only when documentation doesn't support a more specific option: unspecified abnormal findings in urine (R82.90) and other abnormal findings in urine (R82.99).
Don't report R82.91 together with the conditions in its Excludes1 note: hemoglobinuria (R82.3) and myoglobinuria (R82.1).
Use an additional code to identify any retained foreign body, if applicable (Z18.-).
Don't confuse with (Excludes1 for R82.91)
Common questions about Chromoconversion ICD-10 codes
What is the ICD-10 code for Chromoconversion?
- R82.91 — Other chromoabnormalities of urine.
Is R82.91 billable?
- Yes. R82.91 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R82.91 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R82.91 as a principal diagnosis.
Is R82.91 a CC or MCC?
- No. R82.91 is neither a CC nor an MCC under MS-DRG v44.0.