ICD-10-CM 2027
ICD-10 code for Pyuria
From the official ICD-10-CM alphabetic index entry “Pyuria (bacterial) (sterile)”. Page updated September 29, 2026.
About coding Pyuria
The ICD-10-CM code for Pyuria is R82.81 (Pyuria).
Within R82.8 (abnormal findings on cytological and histological examination of urine), R82.81 is specifically for Pyuria. Related codes cover other abnormal findings on cytological and histological examination of urine (R82.89).
Use an additional code to identify any retained foreign body, if applicable (Z18.-).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about Pyuria ICD-10 codes
What is the ICD-10 code for Pyuria?
- R82.81 — Pyuria.
Is R82.81 billable?
- Yes. R82.81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R82.81 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R82.81 as a principal diagnosis.
Is R82.81 a CC or MCC?
- No. R82.81 is neither a CC nor an MCC under MS-DRG v44.0.