C28020Level 2

Problem

**Semantic type:** Phenomenon or Process

**Definition:** A difficulty, disorder, or condition needing resolution.

**Synonyms:** - Issue

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C103983Product Use Error

C113724Unable to Draw Blood

C113726Unable to Collect Voided Urine

C121372Biggest Problem

C176343Logistical Problem With Clinical Study

C185642Scheduling Issue

C206376No Apparent Problem

C42869Unresolved Issue

C49633Technical Problem

C53054Product Problem

C54027Patient Problem

Cross-system equivalences0

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