便潜血 べんせんけつ Meanings Noun fecal occult blood; faecal occult blood; FOB Kanji 便 convenience. Read as ベン. 潜 dive. Read as セン. 血 blood. Read as ケツ. Words containing 便潜血 便潜血検査 (べんせんけつけんさ) fecal occult blood test Word lists Medicine Jinuma: Japanese Dictionary · Word lists