What is RBC normal range in CBC blood test?

RBC normal range chart 2017 according to age and case.

Measurement units:

  • Conventional units: 10^6/ul, means million cells per microliter of blood.
  • The liter has 1 milion microliter.
  • SI units: 10^12/L, means trillion cells per liter of blood.
  • Red blood cells show in different normal ranges for different ages and body situations.
  • Normal range means: the expected numbers for a specific age and status.

Did you know, what is RBC?

rbc chart

CBC report

RBC Normal Range chart by age:

As the human age increase, the red blood cells normally decrease in count.

RBC normal range for new birth babies:

Infants have higher red blood cells counts than elder children and adults, which is normally seen and not from a disease.

  • At birth RBC count 4 – 6.5 million per microliter of blood.
  • When neonate complete 1 day until three days after birth, RBCs count 4 – 6.6 million per microliter of blood.
  • One week after birth, the baby’s RBCs count is 3.9 – 5.9 million cells per microliter of blood.

RBC normal range for children and toddlers:

  • For Children age 3 – 9 months, red blood cells will have normal count from 4.1 – 5.3 million per microliter of blood.
  • From age 9 months until 12 months, the normal RBC count is 3.6 – 5.2 million per microliter of blood.
  • The 1 year and two years RBC count is 3.9 – 5.1 million cells.
  • Kid’s 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 years old have RBCs count 4.0 – 5.2 million cells.

RBC normal range for Adult humans

Adult red blood cells count less than children and going to be nearly the same for all adult unless there is a modification to the body or underlying illness.

  • Males 13, 14, 15, 16, 17, and 18 years old will have normal red blood cells count 4.2 – 5.6 million cells/uL.
  • Females 13, 14, 15, 16, 17, and 18 years old will have normal red blood cell count 4.0 – 5.1 million cells/uL.
  • Adult man normal reference range is 4.5 – 5.9 million cells per microliter of blood.
  • Adult woman normal reference range is 3.8 – 4.8 million cells per microliter of blood.

Normal RBC ranges chart during pregnancy

Pregnant red blood cells count is a bit lower than the non-pregnant RBCs, which appear as anemia.

  • First trimester normal RBC range is 3.52 – 4.52 x 10^6/uL.
  • During the second trimester of the pregnancy, pregnant RBCs count is 3.2 – 4.41 x 10^6/uL.
  • During the last and third trimester, the RBC normal values range is 3.1 – 4.31 x 10^6/ulL
  • Note: the trimester is three months.

How to use RBC normal ranges?

  • Compare your numbers on the left side to the expected reference range on the right of the CBC report;
  • You have normal blood cells count: if your numbers are within the normal limits.
  • You have reduced RBC count for your age: if the number on the left is less than the minimum limit on the right.
  • You have abnormal high count of red blood cell: If the count of red blood cells on the left is greater than the allowable upper limit.

It’s important to know that:

Your interpretation of RBC results is dependent on the provide normal ranges in your CBC blood test report.

High RBC count has the medical term erythrocytosis, or polycythemia.

But, what is meaning of your RBC test results?

References

Follow to know the next interpretation, it would be beneficial to know the meaning of your blood test results.

 

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