Cd19cd103cellsnfrfld
Key facts at a glance
- LOINC
- 40886-4
- Short code
- CD19CD103
- Synonyms
- CD19+CD103+ Cells NFr Fld
- Category
- chemistry
- Sample
- serum
- Container
- Sterile body fluid collection container; heparinized tube preferred for flow cytometry to prevent clotting
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- Flow cytometry using fluorescence-activated cell sorting (FACS) with CD19 and CD103 specific monoclonal antibodies
- CPT
- 88184
- SNOMED
- 444074006
- Specimen volume
- Minimum 5-10 mL of body fluid; larger volumes preferred for cell concentration
- Stability
- Process within 2-4 hours of collection at room temperature (18-25°C); refrigerate at 2-8°C if delayed beyond 4 hours; do not freeze
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 24–72 hours
- Order
- routine
Reference range
Reference ranges vary by body fluid type and clinical context. Typically reported as percentage of total lymphocytes or absolute count per microliter.N/A
No special patient preparation required. Inform clinician of any recent immunosuppressive therapy or biological agent use that may affect lymphocyte populations.
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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy