ICD-10-CM 2027
ICD-10 code for multiple site reiter's disease
From the official ICD-10-CM alphabetic index entry “Reiter's disease, syndrome, or urethritis › multiple site”. Page updated September 29, 2026.
About coding multiple site reiter's disease
The ICD-10-CM code for multiple site reiter's disease is M02.39 (Reiter's disease, multiple sites).
Within M02.3 (Reiter's disease), M02.39 is specifically for Reiter's disease, multiple sites. Related codes cover unspecified site (M02.30), shoulder (M02.31), elbow (M02.32), wrist (M02.33), hand (M02.34), hip (M02.35), knee (M02.36), ankle and foot (M02.37) and 1 more.
Code first underlying disease, such as: congenital syphilis [Clutton's joints] (A50.5), enteritis due to Yersinia enterocolitica (A04.6), infective endocarditis (I33.0) and viral hepatitis (B15-B19).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about multiple site reiter's disease ICD-10 codes
What is the ICD-10 code for multiple site reiter's disease?
- M02.39 — Reiter's disease, multiple sites.
Is M02.39 billable?
- Yes. M02.39 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can M02.39 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict M02.39 as a principal diagnosis.
Is M02.39 a CC or MCC?
- M02.39 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.