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发布:2026年8月9日更新:2026年8月16日

摘要速览

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医学审核:WellAlly 编辑团队最后审核 2026年8月16日编辑政策

关键信息一览

LOINC: 106964-0
简码: CD2CD3
别名: CD2+CD3+ Cells NFr Bld FC
类别: 生化
样本: whole-blood
采血管: EDTA (purple-top) tube for whole-blood flow cytometry; alternatively, ACD (yellow-top) tube or sodium heparin (green-top) tube may be used depending on laboratory protocol
单位: N/A
参考下限: 1200
参考上限: 2400
是否空腹: 否
适用人群: 成人
性别: all
年龄范围: 0–99 岁
检测方法: flow-cytometry
CPT: 86359
SNOMED: 39579005
标本量: 3-5 mL of whole blood for adults; 1-3 mL for pediatric patients; minimum 1 mL required for accurate flow cytometric analysis
标本稳定性: Specimen should be processed within 24 hours of collection when stored at room temperature (18-25°C). Refrigeration at 2-8°C may extend stability to 48 hours for some markers but may affect viability and antigen expression. Ideally processed within 6-12 hours of collection for optimal results.
溶血上限: 0
脂血上限: 0
黄疸上限: 0
报告时间: 4–24 小时
医嘱频率: routine

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Reference range

Reference ranges for CD2+CD3+ lymphocytes vary by laboratory and age. Adult reference range is typically 1200-2400 cells/µL or 60-85% of total lymphocytes. Age-adjusted pediatric reference ranges are essential for accurate interpretation.N/A

标本类型: whole-blood

No special patient preparation is required. Patients should inform their healthcare provider of any recent vaccinations, infections, immunosuppressive therapy, or corticosteroid use, as these factors may affect lymphocyte counts and subset distribution.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

简称

常见问题

"zh": { "preparation_instructions": "您可能需要在手术前8小时内避免进食或饮用，具体取决于医生的指示。请严格按照医疗保健提供者的特定指导进行准备，以确保检查结果准确。" } } }

本信息仅供教育用途，不能替代专业医疗建议、诊断或治疗。

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