Ring Sideroblasts 15 Percent or More of Erythroid Precursors

**Semantic type:** Laboratory or Test Result

**Definition:** A semi-quantitative microscopic finding indicating 15 percent or more of the cells in a sample of erythroid precursor cells are ring sideroblasts.

**Synonyms:** - Ringed Sideroblasts 15 Percent or More of Erythroid Precursors - Ringed Sideroblasts 15% or More of Erythroid Precursors