ICD-10-CM 2027
ICD-10 code for Diuresis
From the official ICD-10-CM alphabetic index entry “Diuresis”. Page updated September 29, 2026.
About coding Diuresis
The ICD-10-CM code for Diuresis is R35.89 (Other polyuria).
Within R35.8, choose R35.89 (Other polyuria) only when documentation doesn't support a more specific option: nocturnal polyuria (R35.81).
Code first , if applicable, any causal condition, such as: enlarged prostate (N40.1).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about Diuresis ICD-10 codes
What is the ICD-10 code for Diuresis?
- R35.89 — Other polyuria.
Is R35.89 billable?
- Yes. R35.89 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R35.89 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R35.89 as a principal diagnosis.
Is R35.89 a CC or MCC?
- No. R35.89 is neither a CC nor an MCC under MS-DRG v44.0.