• Health
• Pet
• Unit Conversion
• Medical

# Corrected Reticulocyte Count Calculator - CRC

## Corrected Reticulocyte Count Calculator

This field is calculated automatically, you cannot change its value manually.

Result

Corrected Reticulocyte CountNormal Range
<0.5Low
0.5 - 2.0Normal
2.1 - 2.5Mild
2.6 - 3.0Moderate
>3.0Severe

Consult Your Doctors for Further Investigation

The Corrected Reticulocyte Count Calculator - CRC estimates the reticulocyte index in the patient's blood, taking into account their reticulocyte and hematocrit levels. It is calculated similarly to the raw reticulocyte count, but, to avoid misinterpretation in anemic patients, the result is corrected using a coefficient of reticulocyte maturation.

## Steps To Calculate Corrected Reticulocyte Count

Here are simple steps to calculate the Corrected Reticulocyte Count using our calculator.

1. Enter the patient's hematocrit (HCT) level in %
2. Enter the normal hematocrit in %
3. Enter the reticulocyte level in %
4. Calculate the Corrected Reticulocyte Count

### What is Corrected Reticulocyte Count

• The corrected reticulocyte count (CRC) is a laboratory test that is used to assess the production of new red blood cells in the bone marrow.
• It takes into account the patient's hematocrit level, which is the percentage of red blood cells in the blood and can help diagnose and monitor various medical conditions, such as anemia.
• When a patient has a low red blood cell count, the bone marrow may increase the production of new red blood cells, which can be detected by measuring the number of immature red blood cells, or reticulocytes, in the blood.
• However, the reticulocyte count alone may not accurately reflect the true rate of red blood cell production if the patient's hematocrit level is abnormally high or low.
• In these cases, the corrected reticulocyte count can provide a more accurate assessment of red blood cell production.

## Corrected Reticulocyte Count Formula

The formula for corrected reticulocyte count is:

CRC = Reticulocyte % x Hematocrit % / Normal hematocrit %

Where:

• Measured Reticulocyte Count: The actual percentage of reticulocytes measured in the blood sample.
• Patient's Hematocrit: The percentage of red blood cells in the patient's blood sample.
• Normal Hematocrit: The average hematocrit value for a healthy individual, which is usually around 45%.

The corrected reticulocyte count takes into account the patient's hematocrit level, which affects the accuracy of the measured reticulocyte count. The corrected count provides a more accurate assessment of bone marrow function and erythropoietic activity in the patient.

## Corrected Reticulocyte Count Normal Range

Here is a table that shows the reference range for corrected reticulocyte counts for adults:

Normal Range Corrected Reticulocyte Count
Normal 0.5-2.0%
Mild 2.1-2.5%
Moderate 2.6-3.0%
Severe >3.0%

## Corrected Reticulocyte Count Interpretation

Here is a table that shows the interpretation of corrected reticulocyte count results:

Corrected Reticulocyte Count Interpretation
<0.5% Decreased bone marrow function
0.5-2.0% Normal bone marrow function
>2.0% Increased bone marrow function

It's best to consult with a healthcare provider to interpret the results of a corrected reticulocyte count test in the context of the patient's individual situation.

## Corrected Reticulocyte Count Reference Range Agewise

Here is a table that shows the reference range for corrected reticulocyte counts by age:

Age Group Corrected Reticulocyte Count
Newborn 1.5-6.0%
1-2 weeks 1.5-4.5%
3-4 weeks 1.0-3.0%
1-6 months 0.5-2.0%
6 months - 2 years 0.5-1.5%
2-18 years 0.5-1.0%

## How to calculate corrected reticulocyte count

To calculate the corrected reticulocyte count (CRC), follow these steps:

1. Obtain the patient's hematocrit level, which is usually measured as a percentage.
2. Obtain the patient's reticulocyte count, which is the number of immature red blood cells present in a blood sample, usually measured as a percentage or absolute count.
3. Obtain the reference range for the reticulocyte production index (RPI) at your institution. This is a value that is used to correct the reticulocyte count for the patient's hematocrit level and can vary depending on the laboratory or hospital.
4. Use the following formula to calculate the corrected reticulocyte count:

CRC = (Reticulocyte level in % x Hematocrit level in %) / Normal hematocrit in %

For example, if the patient's reticulocyte count is 2.5%, their hematocrit level is 40%, and the reference normal hematocrit level is 45%, the calculation would be:

CRC = (2.5 x 40) / 45 = 2.22%

5. Interpret the corrected reticulocyte count in conjunction with other clinical and laboratory findings to make a definitive diagnosis.

It's important to note that the reference hematocrit may vary depending on the laboratory or hospital, so it's essential to use the appropriate reference range for your institution when calculating the corrected reticulocyte count.

## Corrected Reticulocyte Count Calculator Benefits

The benefits of using a corrected reticulocyte count calculator include:

1. Increased accuracy: Using a calculator to determine the corrected reticulocyte count ensures a more accurate result. This is because the calculation takes into account the patient's hematocrit level, which can affect the accuracy of the measured reticulocyte count.
2. Time-saving: The use of a calculator saves time by automating the process of calculating the corrected reticulocyte count. This allows healthcare providers to focus on other aspects of patient care.
3. Consistency: Using a calculator ensures consistency in the calculation process, which is important for comparing results over time and across different patients.
4. Improved patient care: The corrected reticulocyte count is an important measure of bone marrow function and erythropoietic activity. Using a calculator to determine this value can provide healthcare providers with valuable information for diagnosing and managing a range of medical conditions that affect the blood and bone marrow.

### Summary

Overall, the use of a corrected reticulocyte count calculator can help improve the accuracy, efficiency, and consistency of this important laboratory test, ultimately leading to better patient care. Check More Medical Health Related Calcultor on Drlogy Calculator to get exact health solution.

Reference

• Role of Absolute Reticulocyte Count in Evaluation of Pancytopenia-A Hospital Based Study [1].
• Reticulocyte Production Index - Wikipedia [2].
favorite_border 1025 Likes

View More Health

## Medical Calculator

View More Medical

View More Pet

## Unit Conversion Calculator

View More Unit Conversion

## Financial Calculator

View More Financial
Drlogy®
The Power To Health