Blood count; reticulocytes, automated, including 1 or more cellular parameters (eg, reticulocyte hemoglobin content [CHr], immature reticulocyte fraction [IRF], reticulocyte volume [MRV], RNA content), direct measurement
CPT4 code
Name of the Procedure:
Blood Count; Reticulocytes, Automated (Including Cellular Parameters like Reticulocyte Hemoglobin Content [CHr], Immature Reticulocyte Fraction [IRF], Reticulocyte Volume [MRV], RNA Content), Direct Measurement
Summary
An automated reticulocyte count is a blood test that determines the number of reticulocytes (immature red blood cells) in your blood and measures specific cellular parameters. These include the hemoglobin content of reticulocytes, the immature reticulocyte fraction, reticulocyte volume, and RNA content. This comprehensive analysis helps in evaluating how well your bone marrow is producing red blood cells.
Purpose
This test helps diagnose and monitor conditions affecting red blood cell production, such as anemia or bone marrow disorders. By providing detailed information about the reticulocytes, it helps healthcare providers determine the underlying cause of a patient's condition and monitor the effectiveness of treatments like iron therapy or bone marrow transplants.
Indications
- Symptoms of anemia (fatigue, shortness of breath, pallor)
- Chronic diseases affecting red blood cell production (e.g., kidney disease)
- Monitoring bone marrow function in patients undergoing chemotherapy
- Assessing the efficacy of treatments for anemia or reticulocytosis
Preparation
- Typically, no special preparation is needed.
- Inform your healthcare provider about any medications you are taking.
- A blood sample will be drawn, so wear a short-sleeve shirt or loose-fitting clothes for convenience.
Procedure Description
- A healthcare professional cleans the skin over the vein.
- A needle is inserted into a vein, usually in the arm.
- Blood is drawn into a vial or tube.
- The blood sample is sent to a laboratory where it is analyzed using an automated analyzer.
- The analyzer measures the number of reticulocytes and specific cellular parameters.
- Parameters such as reticulocyte hemoglobin content (CHr), immature reticulocyte fraction (IRF), reticulocyte volume (MRV), and RNA content are assessed directly.
- The results are processed and sent to your healthcare provider.
Duration
The actual blood draw takes about 5-10 minutes. The lab analysis may take several hours to a few days, depending on the facility.
Setting
This procedure is usually performed in a hospital, outpatient clinic, or diagnostic laboratory.
Personnel
- Phlebotomist or nurse to draw the blood
- Laboratory technologist to operate the automated analyzer
- Pathologist or medical doctor to interpret the results
Risks and Complications
- Minimal risks associated with blood draw, such as minor bruising or discomfort at the puncture site.
- Rarely, there might be fainting or infection at the needle site.
Benefits
- Provides detailed information about red blood cell production and function.
- Helps diagnose underlying conditions causing anemia or other red blood cell disorders.
- Monitors the effectiveness of treatments.
Recovery
- No specific recovery time needed for the test itself.
- You may resume normal activities immediately after the blood draw.
- Follow up with your healthcare provider for test results and further instructions.
Alternatives
- Manual reticulocyte count: less detailed and potentially less accurate.
- Bone marrow biopsy: more invasive but provides comprehensive information about bone marrow function.
- Other blood tests to evaluate anemia or red blood cell disorders.
Patient Experience
- You may feel a quick pinch or sting when the needle is inserted.
- Minor discomfort or bruising at the blood draw site.
- Results may require follow-up appointments to discuss findings and next steps in your treatment plan.