外周血CD3+淋巴细胞绝对计数
本检查测定血液中CD3+细胞的数量,这是一种对免疫功能十分重要的白细胞。
["CD3+淋巴细胞帮助您的免疫系统抵抗感染并识别外来物质。"]
关键信息一览
- LOINC
- 97594-6
- 简码
- CD3LR
- 别名
- CD3 Cells/lymph NFr Lower resp FC
- 类别
- 生化
- 样本
- serum
- 采血管
- Sterile, leak-proof, screw-cap container appropriate for lower respiratory specimen collection; placed on wet ice or transported under conditions specified by the performing flow cytometry laboratory. Do not use formalin or other fixatives.
- 单位
- N/A
- 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
- 395124007
- 标本量
- Minimum 5–10 mL of bronchoalveolar lavage (BAL) fluid or lower respiratory specimen as required by performing laboratory; larger volumes (≥10 mL) preferred to ensure adequate cell yield for flow cytometric analysis.
- 标本稳定性
- Specimen should be delivered to the flow cytometry laboratory as soon as possible after collection, ideally within 1–2 hours at room temperature. Specimen stability is limited; prolonged delays may result in cell loss, decreased viability, and altered immunophenotyping results. If processing is delayed, specimen should be refrigerated at 2–8°C and processed within 24 hours per laboratory-specific protocol.
- 溶血上限
- 500
- 脂血上限
- 1000
- 黄疸上限
- 500
- 报告时间
- 4–48 小时
- 医嘱频率
- routine
这项检查测定什么?
CD3+淋巴细胞是淋巴细胞(一种白细胞)的一个亚群,在适应性免疫中发挥关键作用。本检查专门计数带有CD3蛋白标记的细胞,这些细胞参与T细胞功能。结果有助于评估您的免疫系统应对病原体的能力。
为什么可能需要这项检查?
医生可能会开具这项检查来评估免疫健康状况、诊断免疫缺陷等疾病,或监测慢性疾病患者(如HIV、自身免疫性疾病)的治疗反应。它还可帮助识别淋巴增殖性疾病或评估移植后的免疫恢复情况。
检查是如何进行的?
通常从您手臂的静脉抽取少量血样。随后使用专业实验室技术处理血液,分离并计数CD3+细胞,常用方法包括流式细胞术或类似的先进技术。
常见用途有哪些?
结果可指导免疫治疗决策、感染风险管理,或监测化疗、生物制剂等治疗引起的免疫相关副作用。
Reference range
Reference ranges vary by laboratory; results are typically reported as percentage of lymphocytes and/or absolute count of CD3+ T cells per unit volume of lower respiratory specimen. Adult reference values generally align with established institutional flow cytometry reference ranges for bronchoalveolar lavage (BAL) specimens.N/A
No fasting required. Specimen is collected via bronchoscopy with bronchoalveolar lavage (BAL) or other lower respiratory sampling technique performed by a qualified healthcare provider. Patient should follow pre-bronchoscopy instructions provided by the performing physician, which may include fasting prior to sedation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
临床意义:CD3+淋巴细胞与免疫功能
简称
CD3+淋巴细胞计数
常见问题
多久能拿到我的结果?
CD3+淋巴细胞计数偏低或偏高意味着什么?
我需要为这项检查做准备吗?
本信息仅供教育用途,不能替代专业医疗建议、诊断或治疗。
本内容仅供一般信息和教育用途,不能替代专业医疗建议、诊断或治疗。对于任何医疗问题,请务必咨询合格的医疗服务提供者;切勿因阅读本站内容而忽视专业医疗建议或推迟就医。
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医学审核:WellAlly 编辑团队 最后审核 2026年8月16日. · 阅读我们的编辑政策