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Q: What does an ARC blood test result of 103,000 mean for a 36-month-old with frequent fevers?

  • Myeongchan Kim
  • Apr 5
  • 2 min read

This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.



Question:

My 36-month-old child has been getting fevers frequently, so we had a blood test done. I checked the results online beforehand, and one of the items is "ARC (Qn)[ChemR-I], Blood" with a result of 103,000. What exactly does this test measure? Is this number considered high? Thank you as always!


Answer:

You must be very worried since your 36-month-old child has been getting frequent fevers. I see you've checked the blood test results in advance.


【About the ARC Test】

ARC stands for Absolute Reticulocyte Count. Reticulocytes are newly produced, immature red blood cells from the bone marrow. This level indicates how actively the bone marrow is producing new red blood cells.


【Result Interpretation】

• 103,000 (/μL) = This is within the normal range.

• Pediatric normal range: 50,000-150,000 /μL

• Your child's level is right in the middle, which is good.


【Why This Test is Done】

It is performed to check for anemia or assess bone marrow function when there are recurrent fevers. A normal level is a good sign that the bone marrow is functioning healthily.


【Other Things to Check】

• Have you also looked at the CBC (Complete Blood Count) results?

• The levels of white blood cells, hemoglobin, and platelets are also important.

• When consulting with your doctor about the overall results, please discuss the cause of the frequent fevers comprehensively.


The ARC level itself is normal, so you can rest assured. Since it needs to be interpreted alongside other test results, please get a detailed consultation during your scheduled clinic appointment!



For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.








 
 
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