Cd2cellsnfrfld
Key facts at a glance
- LOINC
- 17827-7
- Short code
- CD2BF
- Synonyms
- CD2 Cells NFr Fld
- Category
- chemistry
- Sample
- serum
- Container
- Sterile, leak-proof container or vacuum tube containing anticoagulant (EDTA or heparin) appropriate for flow cytometry; sterile CSF tube for cerebrospinal fluid
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 0 years
- Method
- Flow cytometry using fluorescently-labeled monoclonal antibodies against CD2 surface marker
- CPT
- 88184
- SNOMED
- 395124008
- Specimen volume
- 1-5 mL of body fluid depending on source (minimum 1 mL for CSF; 3-5 mL for pleural/peritoneal fluid)
- Stability
- Specimen should be delivered to the laboratory within 1-2 hours of collection. Refrigerate at 2-8°C if processing is delayed beyond 2 hours; analyze within 24 hours for optimal viability.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Reference range
CD2+ cells are not normally present in serum as serum is an acellular fluid. Reference ranges apply when test is performed on body fluids (e.g., pleural, peritoneal, cerebrospinal fluid) where CD2+ T-lymphocyte enumeration is clinically indicated.N/A
No special patient preparation required. Inform the laboratory of any current immunosuppressive therapy, recent blood transfusions, or bone marrow/stem cell transplantation prior to specimen collection.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy