A high MCHC value is often present in conditions where hemoglobin is more concentrated within your red blood cells. It can also occur in conditions where red blood cells are fragile or destroyed Reticulocytes are immature RBCs. Counting them can help determine whether the problem is reduced RBC production or if the cells are being destroyed. High Red Blood Cell Count. If red blood cell levels are too high, it may mean there is not enough oxygen in the blood. It can also indicate dehydration. Outlook. Macrocytic anemia causes large red blood cells that cannot carry enough oxygen throughout the body. The symptoms mimic other kinds of anemia but the treatment depends on the underlying ICD-10. ICD-10-CM Codes. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified. Abnormal findings on examination of blood, without diagnosis. Abnormality of red blood cells (R71) Other abnormality of red blood cells (R71.8) R71.0. R71.8. R73. Mean corpuscular volume (MCV) is a value calculated during a routine blood test called a complete blood count (CBC). MCV measures the average size of your red blood cells. Your red blood cells carry oxygen throughout your body. This oxygen, in turn, powers your cells. The characteristics of your red blood cells — including size — provide Pancytopenia is a condition where you have too few red blood cells, white blood cells, and platelets. It can cause symptoms like fatigue, dizziness, and fever. Your body has three types of blood High RBC and low MCH can be caused by a lot of reasons. If you take RBC and MCH blood tests and the results are higher than 5.5 mil/uL for RBC and lower than 27 pg for MCH, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease. Red blood cell (RBC) indices are part of a complete blood count, a group of tests that measures various parts and features of your blood. The results of RBC indices are used to diagnose different types of anemia. There are several types of anemia, and each type has a different effect on the size, shape, and/or quality of red blood cells. UJKyWCz.