kidney non-tumorous lesion measurement interstitial nephritis foci count 2020-06-11T14:37:11Z CMO:0003445 MESH:D009395 The total number of microscopic instances of inflammation of the interstitial tissue of the kidney. The term interstitial tissue of the kidney is generally used for primary inflammation of kidney tubules and/or surrounding interstitium. VT:0010580 clinical_measurement_ontology foci of tubulointerstitial nephritis slaulede