This responds well to moist, warm compresses applied every 2 to 4 hours. Activity after test Return to pretest activities right away. Use warm compresses if blood collects under the puncture site or if the area becomes tender, red or painful. Time before test results available Test requires only a few minutes in the laboratory. Time before results are reported to the doctor or patient varies from a few Test results Test Values Test results are determined by counting the number of red blood cells in a microliter.
Values are usually higher in people living at high altitudes.
Factors Affecting Results Taking these drugs may affect test results None expected. All rights reserved.