Diagnosis codes (ICD-10 / CCSR)

Diagnoses are recorded on claims using ICD-10 codes, the standard diagnosis code set in U.S. healthcare, but at a level of detail too granular for meaningful comparisons. Jiro groups related ICD-10 codes into broader categories using CCSR (Clinical Classifications Software Refined), a standard maintained by AHRQ (Agency for Healthcare Research and Quality). This keeps comparisons meaningful without requiring exact code-for-code matches between you and your peers.

Where this shows up:

Referrals uses your CCSR-grouped diagnosis mix to narrow "missed opportunity" comparisons to your actual clinical scope, so a dermatologist isn't shown missed cardiology referrals. Research also draws on ICD-10-coded claims to surface relevant patterns. Patients category in Clinical Performance Metrics is also built around diagnosis codes.