Fig. 2. Images of urine sediments for external quality assessment. (A) CUI-20-05 waxy cast. (B) Sternheimer stain of waxy cast (original magnification, ×400). (C) CUI-20-06 uric acid crystals (original magnification, ×400). (D) CUI-20-07 squamous epithelial cells (original magnification, ×400). (E) CUI-20-08 ammonium biurate crystals (original magnification, ×400).

Lab Med Qual Assur 2022;44:1~9 https://doi.org/10.15263/jlmqa.2022.44.1.1

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