Cd14hladrcellsnfrbld
Key facts at a glance
- LOINC
- 27878-8
- Short code
- CD14DR
- Synonyms
- CD14+HLA-DR+ Cells NFr Bld
- Category
- chemistry
- Sample
- whole-blood
- Container
- EDTA (lavender/purple-top) blood collection tube for flow cytometry; sodium heparin (green-top) tube may also be acceptable depending on laboratory protocol
- Units
- N/A
- Ref low
- 70
- Ref high
- 100
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- Flow cytometry (multiparametric immunophenotyping) using fluorescently labeled monoclonal antibodies against CD14 and HLA-DR surface markers, typically with CD45 gating and viability staining
- CPT
- 86356
- SNOMED
- 398921008
- Specimen volume
- 3-5 mL whole blood (minimum 1 mL for pediatric samples)
- Stability
- Specimen should be processed within 4-6 hours of collection when stored at room temperature (18-25°C); do not refrigerate. If delayed, use cell-stabilizing tubes and process within 24 hours per manufacturer instructions.
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Reference range
CD14+ monocytes expressing HLA-DR typically comprise 70-100% of total monocytes in healthy immunocompetent adults. Absolute counts and percentage reference ranges vary by laboratory; refer to local reference values.N/A
No fasting required. Avoid strenuous exercise prior to collection. Specimen should be processed promptly as cell viability and marker expression can degrade over time.
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